jquery.js

/*!
 * jQuery JavaScript Library v1.9.1
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-2-4
 */
(function( window, undefined ) {

// Can't do this because several apps including ASP.NET trace
// the stack via arguments.caller.callee and Firefox dies if
// you try to trace through "use strict" call chains. (#13335)
// Support: Firefox 18+
//"use strict";
    var
    // The deferred used on DOM ready
        readyList,

    // A central reference to the root jQuery(document)
        rootjQuery,

    // Support: IE<9
    // For `typeof node.method` instead of `node.method !== undefined`
        core_strundefined = typeof undefined,

    // Use the correct document accordingly with window argument (sandbox)
        document = window.document,
        location = window.location,

    // Map over jQuery in case of overwrite
        _jQuery = window.jQuery,

    // Map over the $ in case of overwrite
        _$ = window.$,

    // [[Class]] -> type pairs
        class2type = {},

    // List of deleted data cache ids, so we can reuse them
        core_deletedIds = [],

        core_version = "1.9.1",

    // Save a reference to some core methods
        core_concat = core_deletedIds.concat,
        core_push = core_deletedIds.push,
        core_slice = core_deletedIds.slice,
        core_indexOf = core_deletedIds.indexOf,
        core_toString = class2type.toString,
        core_hasOwn = class2type.hasOwnProperty,
        core_trim = core_version.trim,

    // Define a local copy of jQuery
        jQuery = function( selector, context ) {
            // The jQuery object is actually just the init constructor 'enhanced'
            return new jQuery.fn.init( selector, context, rootjQuery );
        },

    // Used for matching numbers
        core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,

    // Used for splitting on whitespace
        core_rnotwhite = /\S+/g,

    // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
        rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,

    // A simple way to check for HTML strings
    // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
    // Strict HTML recognition (#11290: must start with <)
        rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/,

    // Match a standalone tag
        rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,

    // JSON RegExp
        rvalidchars = /^[\],:{}\s]*$/,
        rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
        rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
        rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,

    // Matches dashed string for camelizing
        rmsPrefix = /^-ms-/,
        rdashAlpha = /-([\da-z])/gi,

    // Used by jQuery.camelCase as callback to replace()
        fcamelCase = function( all, letter ) {
            return letter.toUpperCase();
        },

    // The ready event handler
        completed = function( event ) {

            // readyState === "complete" is good enough for us to call the dom ready in oldIE
            if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
                detach();
                jQuery.ready();
            }
        },
    // Clean-up method for dom ready events
        detach = function() {
            if ( document.addEventListener ) {
                document.removeEventListener( "DOMContentLoaded", completed, false );
                window.removeEventListener( "load", completed, false );

            } else {
                document.detachEvent( "onreadystatechange", completed );
                window.detachEvent( "onload", completed );
            }
        };

    jQuery.fn = jQuery.prototype = {
        // The current version of jQuery being used
        jquery: core_version,

        constructor: jQuery,
        init: function( selector, context, rootjQuery ) {
            var match, elem;

            // HANDLE: $(""), $(null), $(undefined), $(false)
            if ( !selector ) {
                return this;
            }

            // Handle HTML strings
            if ( typeof selector === "string" ) {
                if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
                    // Assume that strings that start and end with <> are HTML and skip the regex check
                    match = [ null, selector, null ];

                } else {
                    match = rquickExpr.exec( selector );
                }

                // Match html or make sure no context is specified for #id
                if ( match && (match[1] || !context) ) {

                    // HANDLE: $(html) -> $(array)
                    if ( match[1] ) {
                        context = context instanceof jQuery ? context[0] : context;

                        // scripts is true for back-compat
                        jQuery.merge( this, jQuery.parseHTML(
                            match[1],
                            context && context.nodeType ? context.ownerDocument || context : document,
                            true
                        ) );

                        // HANDLE: $(html, props)
                        if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
                            for ( match in context ) {
                                // Properties of context are called as methods if possible
                                if ( jQuery.isFunction( this[ match ] ) ) {
                                    this[ match ]( context[ match ] );

                                    // ...and otherwise set as attributes
                                } else {
                                    this.attr( match, context[ match ] );
                                }
                            }
                        }

                        return this;

                        // HANDLE: $(#id)
                    } else {
                        elem = document.getElementById( match[2] );

                        // Check parentNode to catch when Blackberry 4.6 returns
                        // nodes that are no longer in the document #6963
                        if ( elem && elem.parentNode ) {
                            // Handle the case where IE and Opera return items
                            // by name instead of ID
                            if ( elem.id !== match[2] ) {
                                return rootjQuery.find( selector );
                            }

                            // Otherwise, we inject the element directly into the jQuery object
                            this.length = 1;
                            this[0] = elem;
                        }

                        this.context = document;
                        this.selector = selector;
                        return this;
                    }

                    // HANDLE: $(expr, $(...))
                } else if ( !context || context.jquery ) {
                    return ( context || rootjQuery ).find( selector );

                    // HANDLE: $(expr, context)
                    // (which is just equivalent to: $(context).find(expr)
                } else {
                    return this.constructor( context ).find( selector );
                }

                // HANDLE: $(DOMElement)
            } else if ( selector.nodeType ) {
                this.context = this[0] = selector;
                this.length = 1;
                return this;

                // HANDLE: $(function)
                // Shortcut for document ready
            } else if ( jQuery.isFunction( selector ) ) {
                return rootjQuery.ready( selector );
            }

            if ( selector.selector !== undefined ) {
                this.selector = selector.selector;
                this.context = selector.context;
            }

            return jQuery.makeArray( selector, this );
        },

        // Start with an empty selector
        selector: "",

        // The default length of a jQuery object is 0
        length: 0,

        // The number of elements contained in the matched element set
        size: function() {
            return this.length;
        },

        toArray: function() {
            return core_slice.call( this );
        },

        // Get the Nth element in the matched element set OR
        // Get the whole matched element set as a clean array
        get: function( num ) {
            return num == null ?

                // Return a 'clean' array
                this.toArray() :

                // Return just the object
                ( num < 0 ? this[ this.length + num ] : this[ num ] );
        },

        // Take an array of elements and push it onto the stack
        // (returning the new matched element set)
        pushStack: function( elems ) {

            // Build a new jQuery matched element set
            var ret = jQuery.merge( this.constructor(), elems );

            // Add the old object onto the stack (as a reference)
            ret.prevObject = this;
            ret.context = this.context;

            // Return the newly-formed element set
            return ret;
        },

        // Execute a callback for every element in the matched set.
        // (You can seed the arguments with an array of args, but this is
        // only used internally.)
        each: function( callback, args ) {
            return jQuery.each( this, callback, args );
        },

        ready: function( fn ) {
            // Add the callback
            jQuery.ready.promise().done( fn );

            return this;
        },

        slice: function() {
            return this.pushStack( core_slice.apply( this, arguments ) );
        },

        first: function() {
            return this.eq( 0 );
        },

        last: function() {
            return this.eq( -1 );
        },

        eq: function( i ) {
            var len = this.length,
                j = +i + ( i < 0 ? len : 0 );
            return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
        },

        map: function( callback ) {
            return this.pushStack( jQuery.map(this, function( elem, i ) {
                return callback.call( elem, i, elem );
            }));
        },

        end: function() {
            return this.prevObject || this.constructor(null);
        },

        // For internal use only.
        // Behaves like an Array's method, not like a jQuery method.
        push: core_push,
        sort: [].sort,
        splice: [].splice
    };

// Give the init function the jQuery prototype for later instantiation
    jQuery.fn.init.prototype = jQuery.fn;

    jQuery.extend = jQuery.fn.extend = function() {
        var src, copyIsArray, copy, name, options, clone,
            target = arguments[0] || {},
            i = 1,
            length = arguments.length,
            deep = false;

        // Handle a deep copy situation
        if ( typeof target === "boolean" ) {
            deep = target;
            target = arguments[1] || {};
            // skip the boolean and the target
            i = 2;
        }

        // Handle case when target is a string or something (possible in deep copy)
        if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
            target = {};
        }

        // extend jQuery itself if only one argument is passed
        if ( length === i ) {
            target = this;
            --i;
        }

        for ( ; i < length; i++ ) {
            // Only deal with non-null/undefined values
            if ( (options = arguments[ i ]) != null ) {
                // Extend the base object
                for ( name in options ) {
                    src = target[ name ];
                    copy = options[ name ];

                    // Prevent never-ending loop
                    if ( target === copy ) {
                        continue;
                    }

                    // Recurse if we're merging plain objects or arrays
                    if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
                        if ( copyIsArray ) {
                            copyIsArray = false;
                            clone = src && jQuery.isArray(src) ? src : [];

                        } else {
                            clone = src && jQuery.isPlainObject(src) ? src : {};
                        }

                        // Never move original objects, clone them
                        target[ name ] = jQuery.extend( deep, clone, copy );

                        // Don't bring in undefined values
                    } else if ( copy !== undefined ) {
                        target[ name ] = copy;
                    }
                }
            }
        }

        // Return the modified object
        return target;
    };

    jQuery.extend({
        noConflict: function( deep ) {
            if ( window.$ === jQuery ) {
                window.$ = _$;
            }

            if ( deep && window.jQuery === jQuery ) {
                window.jQuery = _jQuery;
            }

            return jQuery;
        },

        // Is the DOM ready to be used? Set to true once it occurs.
        isReady: false,

        // A counter to track how many items to wait for before
        // the ready event fires. See #6781
        readyWait: 1,

        // Hold (or release) the ready event
        holdReady: function( hold ) {
            if ( hold ) {
                jQuery.readyWait++;
            } else {
                jQuery.ready( true );
            }
        },

        // Handle when the DOM is ready
        ready: function( wait ) {

            // Abort if there are pending holds or we're already ready
            if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
                return;
            }

            // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
            if ( !document.body ) {
                return setTimeout( jQuery.ready );
            }

            // Remember that the DOM is ready
            jQuery.isReady = true;

            // If a normal DOM Ready event fired, decrement, and wait if need be
            if ( wait !== true && --jQuery.readyWait > 0 ) {
                return;
            }

            // If there are functions bound, to execute
            readyList.resolveWith( document, [ jQuery ] );

            // Trigger any bound ready events
            if ( jQuery.fn.trigger ) {
                jQuery( document ).trigger("ready").off("ready");
            }
        },

        // See test/unit/core.js for details concerning isFunction.
        // Since version 1.3, DOM methods and functions like alert
        // aren't supported. They return false on IE (#2968).
        isFunction: function( obj ) {
            return jQuery.type(obj) === "function";
        },

        isArray: Array.isArray || function( obj ) {
            return jQuery.type(obj) === "array";
        },

        isWindow: function( obj ) {
            return obj != null && obj == obj.window;
        },

        isNumeric: function( obj ) {
            return !isNaN( parseFloat(obj) ) && isFinite( obj );
        },

        type: function( obj ) {
            if ( obj == null ) {
                return String( obj );
            }
            return typeof obj === "object" || typeof obj === "function" ?
                class2type[ core_toString.call(obj) ] || "object" :
                typeof obj;
        },

        isPlainObject: function( obj ) {
            // Must be an Object.
            // Because of IE, we also have to check the presence of the constructor property.
            // Make sure that DOM nodes and window objects don't pass through, as well
            if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
                return false;
            }

            try {
                // Not own constructor property must be Object
                if ( obj.constructor &&
                    !core_hasOwn.call(obj, "constructor") &&
                    !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
                    return false;
                }
            } catch ( e ) {
                // IE8,9 Will throw exceptions on certain host objects #9897
                return false;
            }

            // Own properties are enumerated firstly, so to speed up,
            // if last one is own, then all properties are own.

            var key;
            for ( key in obj ) {}

            return key === undefined || core_hasOwn.call( obj, key );
        },

        isEmptyObject: function( obj ) {
            var name;
            for ( name in obj ) {
                return false;
            }
            return true;
        },

        error: function( msg ) {
            throw new Error( msg );
        },

        // data: string of html
        // context (optional): If specified, the fragment will be created in this context, defaults to document
        // keepScripts (optional): If true, will include scripts passed in the html string
        parseHTML: function( data, context, keepScripts ) {
            if ( !data || typeof data !== "string" ) {
                return null;
            }
            if ( typeof context === "boolean" ) {
                keepScripts = context;
                context = false;
            }
            context = context || document;

            var parsed = rsingleTag.exec( data ),
                scripts = !keepScripts && [];

            // Single tag
            if ( parsed ) {
                return [ context.createElement( parsed[1] ) ];
            }

            parsed = jQuery.buildFragment( [ data ], context, scripts );
            if ( scripts ) {
                jQuery( scripts ).remove();
            }
            return jQuery.merge( [], parsed.childNodes );
        },

        parseJSON: function( data ) {
            // Attempt to parse using the native JSON parser first
            if ( window.JSON && window.JSON.parse ) {
                return window.JSON.parse( data );
            }

            if ( data === null ) {
                return data;
            }

            if ( typeof data === "string" ) {

                // Make sure leading/trailing whitespace is removed (IE can't handle it)
                data = jQuery.trim( data );

                if ( data ) {
                    // Make sure the incoming data is actual JSON
                    // Logic borrowed from http://json.org/json2.js
                    if ( rvalidchars.test( data.replace( rvalidescape, "@" )
                        .replace( rvalidtokens, "]" )
                        .replace( rvalidbraces, "")) ) {

                        return ( new Function( "return " + data ) )();
                    }
                }
            }

            jQuery.error( "Invalid JSON: " + data );
        },

        // Cross-browser xml parsing
        parseXML: function( data ) {
            var xml, tmp;
            if ( !data || typeof data !== "string" ) {
                return null;
            }
            try {
                if ( window.DOMParser ) { // Standard
                    tmp = new DOMParser();
                    xml = tmp.parseFromString( data , "text/xml" );
                } else { // IE
                    xml = new ActiveXObject( "Microsoft.XMLDOM" );
                    xml.async = "false";
                    xml.loadXML( data );
                }
            } catch( e ) {
                xml = undefined;
            }
            if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
                jQuery.error( "Invalid XML: " + data );
            }
            return xml;
        },

        noop: function() {},

        // Evaluates a script in a global context
        // Workarounds based on findings by Jim Driscoll
        // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
        globalEval: function( data ) {
            if ( data && jQuery.trim( data ) ) {
                // We use execScript on Internet Explorer
                // We use an anonymous function so that context is window
                // rather than jQuery in Firefox
                ( window.execScript || function( data ) {
                    window[ "eval" ].call( window, data );
                } )( data );
            }
        },

        // Convert dashed to camelCase; used by the css and data modules
        // Microsoft forgot to hump their vendor prefix (#9572)
        camelCase: function( string ) {
            return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
        },

        nodeName: function( elem, name ) {
            return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
        },

        // args is for internal usage only
        each: function( obj, callback, args ) {
            var value,
                i = 0,
                length = obj.length,
                isArray = isArraylike( obj );

            if ( args ) {
                if ( isArray ) {
                    for ( ; i < length; i++ ) {
                        value = callback.apply( obj[ i ], args );

                        if ( value === false ) {
                            break;
                        }
                    }
                } else {
                    for ( i in obj ) {
                        value = callback.apply( obj[ i ], args );

                        if ( value === false ) {
                            break;
                        }
                    }
                }

                // A special, fast, case for the most common use of each
            } else {
                if ( isArray ) {
                    for ( ; i < length; i++ ) {
                        value = callback.call( obj[ i ], i, obj[ i ] );

                        if ( value === false ) {
                            break;
                        }
                    }
                } else {
                    for ( i in obj ) {
                        value = callback.call( obj[ i ], i, obj[ i ] );

                        if ( value === false ) {
                            break;
                        }
                    }
                }
            }

            return obj;
        },

        // Use native String.trim function wherever possible
        trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
            function( text ) {
                return text == null ?
                    "" :
                    core_trim.call( text );
            } :

            // Otherwise use our own trimming functionality
            function( text ) {
                return text == null ?
                    "" :
                    ( text + "" ).replace( rtrim, "" );
            },

        // results is for internal usage only
        makeArray: function( arr, results ) {
            var ret = results || [];

            if ( arr != null ) {
                if ( isArraylike( Object(arr) ) ) {
                    jQuery.merge( ret,
                        typeof arr === "string" ?
                            [ arr ] : arr
                    );
                } else {
                    core_push.call( ret, arr );
                }
            }

            return ret;
        },

        inArray: function( elem, arr, i ) {
            var len;

            if ( arr ) {
                if ( core_indexOf ) {
                    return core_indexOf.call( arr, elem, i );
                }

                len = arr.length;
                i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;

                for ( ; i < len; i++ ) {
                    // Skip accessing in sparse arrays
                    if ( i in arr && arr[ i ] === elem ) {
                        return i;
                    }
                }
            }

            return -1;
        },

        merge: function( first, second ) {
            var l = second.length,
                i = first.length,
                j = 0;

            if ( typeof l === "number" ) {
                for ( ; j < l; j++ ) {
                    first[ i++ ] = second[ j ];
                }
            } else {
                while ( second[j] !== undefined ) {
                    first[ i++ ] = second[ j++ ];
                }
            }

            first.length = i;

            return first;
        },

        grep: function( elems, callback, inv ) {
            var retVal,
                ret = [],
                i = 0,
                length = elems.length;
            inv = !!inv;

            // Go through the array, only saving the items
            // that pass the validator function
            for ( ; i < length; i++ ) {
                retVal = !!callback( elems[ i ], i );
                if ( inv !== retVal ) {
                    ret.push( elems[ i ] );
                }
            }

            return ret;
        },

        // arg is for internal usage only
        map: function( elems, callback, arg ) {
            var value,
                i = 0,
                length = elems.length,
                isArray = isArraylike( elems ),
                ret = [];

            // Go through the array, translating each of the items to their
            if ( isArray ) {
                for ( ; i < length; i++ ) {
                    value = callback( elems[ i ], i, arg );

                    if ( value != null ) {
                        ret[ ret.length ] = value;
                    }
                }

                // Go through every key on the object,
            } else {
                for ( i in elems ) {
                    value = callback( elems[ i ], i, arg );

                    if ( value != null ) {
                        ret[ ret.length ] = value;
                    }
                }
            }

            // Flatten any nested arrays
            return core_concat.apply( [], ret );
        },

        // A global GUID counter for objects
        guid: 1,

        // Bind a function to a context, optionally partially applying any
        // arguments.
        proxy: function( fn, context ) {
            var args, proxy, tmp;

            if ( typeof context === "string" ) {
                tmp = fn[ context ];
                context = fn;
                fn = tmp;
            }

            // Quick check to determine if target is callable, in the spec
            // this throws a TypeError, but we will just return undefined.
            if ( !jQuery.isFunction( fn ) ) {
                return undefined;
            }

            // Simulated bind
            args = core_slice.call( arguments, 2 );
            proxy = function() {
                return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
            };

            // Set the guid of unique handler to the same of original handler, so it can be removed
            proxy.guid = fn.guid = fn.guid || jQuery.guid++;

            return proxy;
        },

        // Multifunctional method to get and set values of a collection
        // The value/s can optionally be executed if it's a function
        access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
            var i = 0,
                length = elems.length,
                bulk = key == null;

            // Sets many values
            if ( jQuery.type( key ) === "object" ) {
                chainable = true;
                for ( i in key ) {
                    jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
                }

                // Sets one value
            } else if ( value !== undefined ) {
                chainable = true;

                if ( !jQuery.isFunction( value ) ) {
                    raw = true;
                }

                if ( bulk ) {
                    // Bulk operations run against the entire set
                    if ( raw ) {
                        fn.call( elems, value );
                        fn = null;

                        // ...except when executing function values
                    } else {
                        bulk = fn;
                        fn = function( elem, key, value ) {
                            return bulk.call( jQuery( elem ), value );
                        };
                    }
                }

                if ( fn ) {
                    for ( ; i < length; i++ ) {
                        fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
                    }
                }
            }

            return chainable ?
                elems :

                // Gets
                bulk ?
                    fn.call( elems ) :
                    length ? fn( elems[0], key ) : emptyGet;
        },

        now: function() {
            return ( new Date() ).getTime();
        }
    });

    jQuery.ready.promise = function( obj ) {
        if ( !readyList ) {

            readyList = jQuery.Deferred();

            // Catch cases where $(document).ready() is called after the browser event has already occurred.
            // we once tried to use readyState "interactive" here, but it caused issues like the one
            // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
            if ( document.readyState === "complete" ) {
                // Handle it asynchronously to allow scripts the opportunity to delay ready
                setTimeout( jQuery.ready );

                // Standards-based browsers support DOMContentLoaded
            } else if ( document.addEventListener ) {
                // Use the handy event callback
                document.addEventListener( "DOMContentLoaded", completed, false );

                // A fallback to window.onload, that will always work
                window.addEventListener( "load", completed, false );

                // If IE event model is used
            } else {
                // Ensure firing before onload, maybe late but safe also for iframes
                document.attachEvent( "onreadystatechange", completed );

                // A fallback to window.onload, that will always work
                window.attachEvent( "onload", completed );

                // If IE and not a frame
                // continually check to see if the document is ready
                var top = false;

                try {
                    top = window.frameElement == null && document.documentElement;
                } catch(e) {}

                if ( top && top.doScroll ) {
                    (function doScrollCheck() {
                        if ( !jQuery.isReady ) {

                            try {
                                // Use the trick by Diego Perini
                                // http://javascript.nwbox.com/IEContentLoaded/
                                top.doScroll("left");
                            } catch(e) {
                                return setTimeout( doScrollCheck, 50 );
                            }

                            // detach all dom ready events
                            detach();

                            // and execute any waiting functions
                            jQuery.ready();
                        }
                    })();
                }
            }
        }
        return readyList.promise( obj );
    };

// Populate the class2type map
    jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
        class2type[ "[object " + name + "]" ] = name.toLowerCase();
    });

    function isArraylike( obj ) {
        var length = obj.length,
            type = jQuery.type( obj );

        if ( jQuery.isWindow( obj ) ) {
            return false;
        }

        if ( obj.nodeType === 1 && length ) {
            return true;
        }

        return type === "array" || type !== "function" &&
            ( length === 0 ||
                typeof length === "number" && length > 0 && ( length - 1 ) in obj );
    }

// All jQuery objects should point back to these
    rootjQuery = jQuery(document);
// String to Object options format cache
    var optionsCache = {};

// Convert String-formatted options into Object-formatted ones and store in cache
    function createOptions( options ) {
        var object = optionsCache[ options ] = {};
        jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
            object[ flag ] = true;
        });
        return object;
    }

    /*
     * Create a callback list using the following parameters:
     *
     *	options: an optional list of space-separated options that will change how
     *			the callback list behaves or a more traditional option object
     *
     * By default a callback list will act like an event callback list and can be
     * "fired" multiple times.
     *
     * Possible options:
     *
     *	once:			will ensure the callback list can only be fired once (like a Deferred)
     *
     *	memory:			will keep track of previous values and will call any callback added
     *					after the list has been fired right away with the latest "memorized"
     *					values (like a Deferred)
     *
     *	unique:			will ensure a callback can only be added once (no duplicate in the list)
     *
     *	stopOnFalse:	interrupt callings when a callback returns false
     *
     */
    jQuery.Callbacks = function( options ) {

        // Convert options from String-formatted to Object-formatted if needed
        // (we check in cache first)
        options = typeof options === "string" ?
            ( optionsCache[ options ] || createOptions( options ) ) :
            jQuery.extend( {}, options );

        var // Flag to know if list is currently firing
            firing,
        // Last fire value (for non-forgettable lists)
            memory,
        // Flag to know if list was already fired
            fired,
        // End of the loop when firing
            firingLength,
        // Index of currently firing callback (modified by remove if needed)
            firingIndex,
        // First callback to fire (used internally by add and fireWith)
            firingStart,
        // Actual callback list
            list = [],
        // Stack of fire calls for repeatable lists
            stack = !options.once && [],
        // Fire callbacks
            fire = function( data ) {
                memory = options.memory && data;
                fired = true;
                firingIndex = firingStart || 0;
                firingStart = 0;
                firingLength = list.length;
                firing = true;
                for ( ; list && firingIndex < firingLength; firingIndex++ ) {
                    if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
                        memory = false; // To prevent further calls using add
                        break;
                    }
                }
                firing = false;
                if ( list ) {
                    if ( stack ) {
                        if ( stack.length ) {
                            fire( stack.shift() );
                        }
                    } else if ( memory ) {
                        list = [];
                    } else {
                        self.disable();
                    }
                }
            },
        // Actual Callbacks object
            self = {
                // Add a callback or a collection of callbacks to the list
                add: function() {
                    if ( list ) {
                        // First, we save the current length
                        var start = list.length;
                        (function add( args ) {
                            jQuery.each( args, function( _, arg ) {
                                var type = jQuery.type( arg );
                                if ( type === "function" ) {
                                    if ( !options.unique || !self.has( arg ) ) {
                                        list.push( arg );
                                    }
                                } else if ( arg && arg.length && type !== "string" ) {
                                    // Inspect recursively
                                    add( arg );
                                }
                            });
                        })( arguments );
                        // Do we need to add the callbacks to the
                        // current firing batch?
                        if ( firing ) {
                            firingLength = list.length;
                            // With memory, if we're not firing then
                            // we should call right away
                        } else if ( memory ) {
                            firingStart = start;
                            fire( memory );
                        }
                    }
                    return this;
                },
                // Remove a callback from the list
                remove: function() {
                    if ( list ) {
                        jQuery.each( arguments, function( _, arg ) {
                            var index;
                            while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
                                list.splice( index, 1 );
                                // Handle firing indexes
                                if ( firing ) {
                                    if ( index <= firingLength ) {
                                        firingLength--;
                                    }
                                    if ( index <= firingIndex ) {
                                        firingIndex--;
                                    }
                                }
                            }
                        });
                    }
                    return this;
                },
                // Check if a given callback is in the list.
                // If no argument is given, return whether or not list has callbacks attached.
                has: function( fn ) {
                    return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
                },
                // Remove all callbacks from the list
                empty: function() {
                    list = [];
                    return this;
                },
                // Have the list do nothing anymore
                disable: function() {
                    list = stack = memory = undefined;
                    return this;
                },
                // Is it disabled?
                disabled: function() {
                    return !list;
                },
                // Lock the list in its current state
                lock: function() {
                    stack = undefined;
                    if ( !memory ) {
                        self.disable();
                    }
                    return this;
                },
                // Is it locked?
                locked: function() {
                    return !stack;
                },
                // Call all callbacks with the given context and arguments
                fireWith: function( context, args ) {
                    args = args || [];
                    args = [ context, args.slice ? args.slice() : args ];
                    if ( list && ( !fired || stack ) ) {
                        if ( firing ) {
                            stack.push( args );
                        } else {
                            fire( args );
                        }
                    }
                    return this;
                },
                // Call all the callbacks with the given arguments
                fire: function() {
                    self.fireWith( this, arguments );
                    return this;
                },
                // To know if the callbacks have already been called at least once
                fired: function() {
                    return !!fired;
                }
            };

        return self;
    };
    jQuery.extend({

        Deferred: function( func ) {
            var tuples = [
                    // action, add listener, listener list, final state
                    [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
                    [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
                    [ "notify", "progress", jQuery.Callbacks("memory") ]
                ],
                state = "pending",
                promise = {
                    state: function() {
                        return state;
                    },
                    always: function() {
                        deferred.done( arguments ).fail( arguments );
                        return this;
                    },
                    then: function( /* fnDone, fnFail, fnProgress */ ) {
                        var fns = arguments;
                        return jQuery.Deferred(function( newDefer ) {
                            jQuery.each( tuples, function( i, tuple ) {
                                var action = tuple[ 0 ],
                                    fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
                                // deferred[ done | fail | progress ] for forwarding actions to newDefer
                                deferred[ tuple[1] ](function() {
                                    var returned = fn && fn.apply( this, arguments );
                                    if ( returned && jQuery.isFunction( returned.promise ) ) {
                                        returned.promise()
                                            .done( newDefer.resolve )
                                            .fail( newDefer.reject )
                                            .progress( newDefer.notify );
                                    } else {
                                        newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
                                    }
                                });
                            });
                            fns = null;
                        }).promise();
                    },
                    // Get a promise for this deferred
                    // If obj is provided, the promise aspect is added to the object
                    promise: function( obj ) {
                        return obj != null ? jQuery.extend( obj, promise ) : promise;
                    }
                },
                deferred = {};

            // Keep pipe for back-compat
            promise.pipe = promise.then;

            // Add list-specific methods
            jQuery.each( tuples, function( i, tuple ) {
                var list = tuple[ 2 ],
                    stateString = tuple[ 3 ];

                // promise[ done | fail | progress ] = list.add
                promise[ tuple[1] ] = list.add;

                // Handle state
                if ( stateString ) {
                    list.add(function() {
                        // state = [ resolved | rejected ]
                        state = stateString;

                        // [ reject_list | resolve_list ].disable; progress_list.lock
                    }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
                }

                // deferred[ resolve | reject | notify ]
                deferred[ tuple[0] ] = function() {
                    deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
                    return this;
                };
                deferred[ tuple[0] + "With" ] = list.fireWith;
            });

            // Make the deferred a promise
            promise.promise( deferred );

            // Call given func if any
            if ( func ) {
                func.call( deferred, deferred );
            }

            // All done!
            return deferred;
        },

        // Deferred helper
        when: function( subordinate /* , ..., subordinateN */ ) {
            var i = 0,
                resolveValues = core_slice.call( arguments ),
                length = resolveValues.length,

            // the count of uncompleted subordinates
                remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,

            // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
                deferred = remaining === 1 ? subordinate : jQuery.Deferred(),

            // Update function for both resolve and progress values
                updateFunc = function( i, contexts, values ) {
                    return function( value ) {
                        contexts[ i ] = this;
                        values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
                        if( values === progressValues ) {
                            deferred.notifyWith( contexts, values );
                        } else if ( !( --remaining ) ) {
                            deferred.resolveWith( contexts, values );
                        }
                    };
                },

                progressValues, progressContexts, resolveContexts;

            // add listeners to Deferred subordinates; treat others as resolved
            if ( length > 1 ) {
                progressValues = new Array( length );
                progressContexts = new Array( length );
                resolveContexts = new Array( length );
                for ( ; i < length; i++ ) {
                    if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
                        resolveValues[ i ].promise()
                            .done( updateFunc( i, resolveContexts, resolveValues ) )
                            .fail( deferred.reject )
                            .progress( updateFunc( i, progressContexts, progressValues ) );
                    } else {
                        --remaining;
                    }
                }
            }

            // if we're not waiting on anything, resolve the master
            if ( !remaining ) {
                deferred.resolveWith( resolveContexts, resolveValues );
            }

            return deferred.promise();
        }
    });
    jQuery.support = (function() {

        var support, all, a,
            input, select, fragment,
            opt, eventName, isSupported, i,
            div = document.createElement("div");

        // Setup
        div.setAttribute( "className", "t" );
        div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";

        // Support tests won't run in some limited or non-browser environments
        all = div.getElementsByTagName("*");
        a = div.getElementsByTagName("a")[ 0 ];
        if ( !all || !a || !all.length ) {
            return {};
        }

        // First batch of tests
        select = document.createElement("select");
        opt = select.appendChild( document.createElement("option") );
        input = div.getElementsByTagName("input")[ 0 ];

        a.style.cssText = "top:1px;float:left;opacity:.5";
        support = {
            // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
            getSetAttribute: div.className !== "t",

            // IE strips leading whitespace when .innerHTML is used
            leadingWhitespace: div.firstChild.nodeType === 3,

            // Make sure that tbody elements aren't automatically inserted
            // IE will insert them into empty tables
            tbody: !div.getElementsByTagName("tbody").length,

            // Make sure that link elements get serialized correctly by innerHTML
            // This requires a wrapper element in IE
            htmlSerialize: !!div.getElementsByTagName("link").length,

            // Get the style information from getAttribute
            // (IE uses .cssText instead)
            style: /top/.test( a.getAttribute("style") ),

            // Make sure that URLs aren't manipulated
            // (IE normalizes it by default)
            hrefNormalized: a.getAttribute("href") === "/a",

            // Make sure that element opacity exists
            // (IE uses filter instead)
            // Use a regex to work around a WebKit issue. See #5145
            opacity: /^0.5/.test( a.style.opacity ),

            // Verify style float existence
            // (IE uses styleFloat instead of cssFloat)
            cssFloat: !!a.style.cssFloat,

            // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
            checkOn: !!input.value,

            // Make sure that a selected-by-default option has a working selected property.
            // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
            optSelected: opt.selected,

            // Tests for enctype support on a form (#6743)
            enctype: !!document.createElement("form").enctype,

            // Makes sure cloning an html5 element does not cause problems
            // Where outerHTML is undefined, this still works
            html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",

            // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
            boxModel: document.compatMode === "CSS1Compat",

            // Will be defined later
            deleteExpando: true,
            noCloneEvent: true,
            inlineBlockNeedsLayout: false,
            shrinkWrapBlocks: false,
            reliableMarginRight: true,
            boxSizingReliable: true,
            pixelPosition: false
        };

        // Make sure checked status is properly cloned
        input.checked = true;
        support.noCloneChecked = input.cloneNode( true ).checked;

        // Make sure that the options inside disabled selects aren't marked as disabled
        // (WebKit marks them as disabled)
        select.disabled = true;
        support.optDisabled = !opt.disabled;

        // Support: IE<9
        try {
            delete div.test;
        } catch( e ) {
            support.deleteExpando = false;
        }

        // Check if we can trust getAttribute("value")
        input = document.createElement("input");
        input.setAttribute( "value", "" );
        support.input = input.getAttribute( "value" ) === "";

        // Check if an input maintains its value after becoming a radio
        input.value = "t";
        input.setAttribute( "type", "radio" );
        support.radioValue = input.value === "t";

        // #11217 - WebKit loses check when the name is after the checked attribute
        input.setAttribute( "checked", "t" );
        input.setAttribute( "name", "t" );

        fragment = document.createDocumentFragment();
        fragment.appendChild( input );

        // Check if a disconnected checkbox will retain its checked
        // value of true after appended to the DOM (IE6/7)
        support.appendChecked = input.checked;

        // WebKit doesn't clone checked state correctly in fragments
        support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;

        // Support: IE<9
        // Opera does not clone events (and typeof div.attachEvent === undefined).
        // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
        if ( div.attachEvent ) {
            div.attachEvent( "onclick", function() {
                support.noCloneEvent = false;
            });

            div.cloneNode( true ).click();
        }

        // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
        // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
        for ( i in { submit: true, change: true, focusin: true }) {
            div.setAttribute( eventName = "on" + i, "t" );

            support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
        }

        div.style.backgroundClip = "content-box";
        div.cloneNode( true ).style.backgroundClip = "";
        support.clearCloneStyle = div.style.backgroundClip === "content-box";

        // Run tests that need a body at doc ready
        jQuery(function() {
            var container, marginDiv, tds,
                divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
                body = document.getElementsByTagName("body")[0];

            if ( !body ) {
                // Return for frameset docs that don't have a body
                return;
            }

            container = document.createElement("div");
            container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";

            body.appendChild( container ).appendChild( div );

            // Support: IE8
            // Check if table cells still have offsetWidth/Height when they are set
            // to display:none and there are still other visible table cells in a
            // table row; if so, offsetWidth/Height are not reliable for use when
            // determining if an element has been hidden directly using
            // display:none (it is still safe to use offsets if a parent element is
            // hidden; don safety goggles and see bug #4512 for more information).
            div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
            tds = div.getElementsByTagName("td");
            tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
            isSupported = ( tds[ 0 ].offsetHeight === 0 );

            tds[ 0 ].style.display = "";
            tds[ 1 ].style.display = "none";

            // Support: IE8
            // Check if empty table cells still have offsetWidth/Height
            support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );

            // Check box-sizing and margin behavior
            div.innerHTML = "";
            div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
            support.boxSizing = ( div.offsetWidth === 4 );
            support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );

            // Use window.getComputedStyle because jsdom on node.js will break without it.
            if ( window.getComputedStyle ) {
                support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
                support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";

                // Check if div with explicit width and no margin-right incorrectly
                // gets computed margin-right based on width of container. (#3333)
                // Fails in WebKit before Feb 2011 nightlies
                // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
                marginDiv = div.appendChild( document.createElement("div") );
                marginDiv.style.cssText = div.style.cssText = divReset;
                marginDiv.style.marginRight = marginDiv.style.width = "0";
                div.style.width = "1px";

                support.reliableMarginRight =
                    !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
            }

            if ( typeof div.style.zoom !== core_strundefined ) {
                // Support: IE<8
                // Check if natively block-level elements act like inline-block
                // elements when setting their display to 'inline' and giving
                // them layout
                div.innerHTML = "";
                div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
                support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );

                // Support: IE6
                // Check if elements with layout shrink-wrap their children
                div.style.display = "block";
                div.innerHTML = "<div></div>";
                div.firstChild.style.width = "5px";
                support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );

                if ( support.inlineBlockNeedsLayout ) {
                    // Prevent IE 6 from affecting layout for positioned elements #11048
                    // Prevent IE from shrinking the body in IE 7 mode #12869
                    // Support: IE<8
                    body.style.zoom = 1;
                }
            }

            body.removeChild( container );

            // Null elements to avoid leaks in IE
            container = div = tds = marginDiv = null;
        });

        // Null elements to avoid leaks in IE
        all = select = fragment = opt = a = input = null;

        return support;
    })();

    var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
        rmultiDash = /([A-Z])/g;

    function internalData( elem, name, data, pvt /* Internal Use Only */ ){
        if ( !jQuery.acceptData( elem ) ) {
            return;
        }

        var thisCache, ret,
            internalKey = jQuery.expando,
            getByName = typeof name === "string",

        // We have to handle DOM nodes and JS objects differently because IE6-7
        // can't GC object references properly across the DOM-JS boundary
            isNode = elem.nodeType,

        // Only DOM nodes need the global jQuery cache; JS object data is
        // attached directly to the object so GC can occur automatically
            cache = isNode ? jQuery.cache : elem,

        // Only defining an ID for JS objects if its cache already exists allows
        // the code to shortcut on the same path as a DOM node with no cache
            id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;

        // Avoid doing any more work than we need to when trying to get data on an
        // object that has no data at all
        if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
            return;
        }

        if ( !id ) {
            // Only DOM nodes need a new unique ID for each element since their data
            // ends up in the global cache
            if ( isNode ) {
                elem[ internalKey ] = id = core_deletedIds.pop() || jQuery.guid++;
            } else {
                id = internalKey;
            }
        }

        if ( !cache[ id ] ) {
            cache[ id ] = {};

            // Avoids exposing jQuery metadata on plain JS objects when the object
            // is serialized using JSON.stringify
            if ( !isNode ) {
                cache[ id ].toJSON = jQuery.noop;
            }
        }

        // An object can be passed to jQuery.data instead of a key/value pair; this gets
        // shallow copied over onto the existing cache
        if ( typeof name === "object" || typeof name === "function" ) {
            if ( pvt ) {
                cache[ id ] = jQuery.extend( cache[ id ], name );
            } else {
                cache[ id ].data = jQuery.extend( cache[ id ].data, name );
            }
        }

        thisCache = cache[ id ];

        // jQuery data() is stored in a separate object inside the object's internal data
        // cache in order to avoid key collisions between internal data and user-defined
        // data.
        if ( !pvt ) {
            if ( !thisCache.data ) {
                thisCache.data = {};
            }

            thisCache = thisCache.data;
        }

        if ( data !== undefined ) {
            thisCache[ jQuery.camelCase( name ) ] = data;
        }

        // Check for both converted-to-camel and non-converted data property names
        // If a data property was specified
        if ( getByName ) {

            // First Try to find as-is property data
            ret = thisCache[ name ];

            // Test for null|undefined property data
            if ( ret == null ) {

                // Try to find the camelCased property
                ret = thisCache[ jQuery.camelCase( name ) ];
            }
        } else {
            ret = thisCache;
        }

        return ret;
    }

    function internalRemoveData( elem, name, pvt ) {
        if ( !jQuery.acceptData( elem ) ) {
            return;
        }

        var i, l, thisCache,
            isNode = elem.nodeType,

        // See jQuery.data for more information
            cache = isNode ? jQuery.cache : elem,
            id = isNode ? elem[ jQuery.expando ] : jQuery.expando;

        // If there is already no cache entry for this object, there is no
        // purpose in continuing
        if ( !cache[ id ] ) {
            return;
        }

        if ( name ) {

            thisCache = pvt ? cache[ id ] : cache[ id ].data;

            if ( thisCache ) {

                // Support array or space separated string names for data keys
                if ( !jQuery.isArray( name ) ) {

                    // try the string as a key before any manipulation
                    if ( name in thisCache ) {
                        name = [ name ];
                    } else {

                        // split the camel cased version by spaces unless a key with the spaces exists
                        name = jQuery.camelCase( name );
                        if ( name in thisCache ) {
                            name = [ name ];
                        } else {
                            name = name.split(" ");
                        }
                    }
                } else {
                    // If "name" is an array of keys...
                    // When data is initially created, via ("key", "val") signature,
                    // keys will be converted to camelCase.
                    // Since there is no way to tell _how_ a key was added, remove
                    // both plain key and camelCase key. #12786
                    // This will only penalize the array argument path.
                    name = name.concat( jQuery.map( name, jQuery.camelCase ) );
                }

                for ( i = 0, l = name.length; i < l; i++ ) {
                    delete thisCache[ name[i] ];
                }

                // If there is no data left in the cache, we want to continue
                // and let the cache object itself get destroyed
                if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
                    return;
                }
            }
        }

        // See jQuery.data for more information
        if ( !pvt ) {
            delete cache[ id ].data;

            // Don't destroy the parent cache unless the internal data object
            // had been the only thing left in it
            if ( !isEmptyDataObject( cache[ id ] ) ) {
                return;
            }
        }

        // Destroy the cache
        if ( isNode ) {
            jQuery.cleanData( [ elem ], true );

            // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
        } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
            delete cache[ id ];

            // When all else fails, null
        } else {
            cache[ id ] = null;
        }
    }

    jQuery.extend({
        cache: {},

        // Unique for each copy of jQuery on the page
        // Non-digits removed to match rinlinejQuery
        expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),

        // The following elements throw uncatchable exceptions if you
        // attempt to add expando properties to them.
        noData: {
            "embed": true,
            // Ban all objects except for Flash (which handle expandos)
            "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
            "applet": true
        },

        hasData: function( elem ) {
            elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
            return !!elem && !isEmptyDataObject( elem );
        },

        data: function( elem, name, data ) {
            return internalData( elem, name, data );
        },

        removeData: function( elem, name ) {
            return internalRemoveData( elem, name );
        },

        // For internal use only.
        _data: function( elem, name, data ) {
            return internalData( elem, name, data, true );
        },

        _removeData: function( elem, name ) {
            return internalRemoveData( elem, name, true );
        },

        // A method for determining if a DOM node can handle the data expando
        acceptData: function( elem ) {
            // Do not set data on non-element because it will not be cleared (#8335).
            if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
                return false;
            }

            var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];

            // nodes accept data unless otherwise specified; rejection can be conditional
            return !noData || noData !== true && elem.getAttribute("classid") === noData;
        }
    });

    jQuery.fn.extend({
        data: function( key, value ) {
            var attrs, name,
                elem = this[0],
                i = 0,
                data = null;

            // Gets all values
            if ( key === undefined ) {
                if ( this.length ) {
                    data = jQuery.data( elem );

                    if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
                        attrs = elem.attributes;
                        for ( ; i < attrs.length; i++ ) {
                            name = attrs[i].name;

                            if ( !name.indexOf( "data-" ) ) {
                                name = jQuery.camelCase( name.slice(5) );

                                dataAttr( elem, name, data[ name ] );
                            }
                        }
                        jQuery._data( elem, "parsedAttrs", true );
                    }
                }

                return data;
            }

            // Sets multiple values
            if ( typeof key === "object" ) {
                return this.each(function() {
                    jQuery.data( this, key );
                });
            }

            return jQuery.access( this, function( value ) {

                if ( value === undefined ) {
                    // Try to fetch any internally stored data first
                    return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
                }

                this.each(function() {
                    jQuery.data( this, key, value );
                });
            }, null, value, arguments.length > 1, null, true );
        },

        removeData: function( key ) {
            return this.each(function() {
                jQuery.removeData( this, key );
            });
        }
    });

    function dataAttr( elem, key, data ) {
        // If nothing was found internally, try to fetch any
        // data from the HTML5 data-* attribute
        if ( data === undefined && elem.nodeType === 1 ) {

            var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();

            data = elem.getAttribute( name );

            if ( typeof data === "string" ) {
                try {
                    data = data === "true" ? true :
                        data === "false" ? false :
                            data === "null" ? null :
                                // Only convert to a number if it doesn't change the string
                                +data + "" === data ? +data :
                                    rbrace.test( data ) ? jQuery.parseJSON( data ) :
                                        data;
                } catch( e ) {}

                // Make sure we set the data so it isn't changed later
                jQuery.data( elem, key, data );

            } else {
                data = undefined;
            }
        }

        return data;
    }

// checks a cache object for emptiness
    function isEmptyDataObject( obj ) {
        var name;
        for ( name in obj ) {

            // if the public data object is empty, the private is still empty
            if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
                continue;
            }
            if ( name !== "toJSON" ) {
                return false;
            }
        }

        return true;
    }
    jQuery.extend({
        queue: function( elem, type, data ) {
            var queue;

            if ( elem ) {
                type = ( type || "fx" ) + "queue";
                queue = jQuery._data( elem, type );

                // Speed up dequeue by getting out quickly if this is just a lookup
                if ( data ) {
                    if ( !queue || jQuery.isArray(data) ) {
                        queue = jQuery._data( elem, type, jQuery.makeArray(data) );
                    } else {
                        queue.push( data );
                    }
                }
                return queue || [];
            }
        },

        dequeue: function( elem, type ) {
            type = type || "fx";

            var queue = jQuery.queue( elem, type ),
                startLength = queue.length,
                fn = queue.shift(),
                hooks = jQuery._queueHooks( elem, type ),
                next = function() {
                    jQuery.dequeue( elem, type );
                };

            // If the fx queue is dequeued, always remove the progress sentinel
            if ( fn === "inprogress" ) {
                fn = queue.shift();
                startLength--;
            }

            hooks.cur = fn;
            if ( fn ) {

                // Add a progress sentinel to prevent the fx queue from being
                // automatically dequeued
                if ( type === "fx" ) {
                    queue.unshift( "inprogress" );
                }

                // clear up the last queue stop function
                delete hooks.stop;
                fn.call( elem, next, hooks );
            }

            if ( !startLength && hooks ) {
                hooks.empty.fire();
            }
        },

        // not intended for public consumption - generates a queueHooks object, or returns the current one
        _queueHooks: function( elem, type ) {
            var key = type + "queueHooks";
            return jQuery._data( elem, key ) || jQuery._data( elem, key, {
                empty: jQuery.Callbacks("once memory").add(function() {
                    jQuery._removeData( elem, type + "queue" );
                    jQuery._removeData( elem, key );
                })
            });
        }
    });

    jQuery.fn.extend({
        queue: function( type, data ) {
            var setter = 2;

            if ( typeof type !== "string" ) {
                data = type;
                type = "fx";
                setter--;
            }

            if ( arguments.length < setter ) {
                return jQuery.queue( this[0], type );
            }

            return data === undefined ?
                this :
                this.each(function() {
                    var queue = jQuery.queue( this, type, data );

                    // ensure a hooks for this queue
                    jQuery._queueHooks( this, type );

                    if ( type === "fx" && queue[0] !== "inprogress" ) {
                        jQuery.dequeue( this, type );
                    }
                });
        },
        dequeue: function( type ) {
            return this.each(function() {
                jQuery.dequeue( this, type );
            });
        },
        // Based off of the plugin by Clint Helfers, with permission.
        // http://blindsignals.com/index.php/2009/07/jquery-delay/
        delay: function( time, type ) {
            time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
            type = type || "fx";

            return this.queue( type, function( next, hooks ) {
                var timeout = setTimeout( next, time );
                hooks.stop = function() {
                    clearTimeout( timeout );
                };
            });
        },
        clearQueue: function( type ) {
            return this.queue( type || "fx", [] );
        },
        // Get a promise resolved when queues of a certain type
        // are emptied (fx is the type by default)
        promise: function( type, obj ) {
            var tmp,
                count = 1,
                defer = jQuery.Deferred(),
                elements = this,
                i = this.length,
                resolve = function() {
                    if ( !( --count ) ) {
                        defer.resolveWith( elements, [ elements ] );
                    }
                };

            if ( typeof type !== "string" ) {
                obj = type;
                type = undefined;
            }
            type = type || "fx";

            while( i-- ) {
                tmp = jQuery._data( elements[ i ], type + "queueHooks" );
                if ( tmp && tmp.empty ) {
                    count++;
                    tmp.empty.add( resolve );
                }
            }
            resolve();
            return defer.promise( obj );
        }
    });
    var nodeHook, boolHook,
        rclass = /[\t\r\n]/g,
        rreturn = /\r/g,
        rfocusable = /^(?:input|select|textarea|button|object)$/i,
        rclickable = /^(?:a|area)$/i,
        rboolean = /^(?:checked|selected|autofocus|autoplay|async|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped)$/i,
        ruseDefault = /^(?:checked|selected)$/i,
        getSetAttribute = jQuery.support.getSetAttribute,
        getSetInput = jQuery.support.input;

    jQuery.fn.extend({
        attr: function( name, value ) {
            return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
        },

        removeAttr: function( name ) {
            return this.each(function() {
                jQuery.removeAttr( this, name );
            });
        },

        prop: function( name, value ) {
            return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
        },

        removeProp: function( name ) {
            name = jQuery.propFix[ name ] || name;
            return this.each(function() {
                // try/catch handles cases where IE balks (such as removing a property on window)
                try {
                    this[ name ] = undefined;
                    delete this[ name ];
                } catch( e ) {}
            });
        },

        addClass: function( value ) {
            var classes, elem, cur, clazz, j,
                i = 0,
                len = this.length,
                proceed = typeof value === "string" && value;

            if ( jQuery.isFunction( value ) ) {
                return this.each(function( j ) {
                    jQuery( this ).addClass( value.call( this, j, this.className ) );
                });
            }

            if ( proceed ) {
                // The disjunction here is for better compressibility (see removeClass)
                classes = ( value || "" ).match( core_rnotwhite ) || [];

                for ( ; i < len; i++ ) {
                    elem = this[ i ];
                    cur = elem.nodeType === 1 && ( elem.className ?
                        ( " " + elem.className + " " ).replace( rclass, " " ) :
                        " "
                        );

                    if ( cur ) {
                        j = 0;
                        while ( (clazz = classes[j++]) ) {
                            if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                                cur += clazz + " ";
                            }
                        }
                        elem.className = jQuery.trim( cur );

                    }
                }
            }

            return this;
        },

        removeClass: function( value ) {
            var classes, elem, cur, clazz, j,
                i = 0,
                len = this.length,
                proceed = arguments.length === 0 || typeof value === "string" && value;

            if ( jQuery.isFunction( value ) ) {
                return this.each(function( j ) {
                    jQuery( this ).removeClass( value.call( this, j, this.className ) );
                });
            }
            if ( proceed ) {
                classes = ( value || "" ).match( core_rnotwhite ) || [];

                for ( ; i < len; i++ ) {
                    elem = this[ i ];
                    // This expression is here for better compressibility (see addClass)
                    cur = elem.nodeType === 1 && ( elem.className ?
                        ( " " + elem.className + " " ).replace( rclass, " " ) :
                        ""
                        );

                    if ( cur ) {
                        j = 0;
                        while ( (clazz = classes[j++]) ) {
                            // Remove *all* instances
                            while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
                                cur = cur.replace( " " + clazz + " ", " " );
                            }
                        }
                        elem.className = value ? jQuery.trim( cur ) : "";
                    }
                }
            }

            return this;
        },

        toggleClass: function( value, stateVal ) {
            var type = typeof value,
                isBool = typeof stateVal === "boolean";

            if ( jQuery.isFunction( value ) ) {
                return this.each(function( i ) {
                    jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
                });
            }

            return this.each(function() {
                if ( type === "string" ) {
                    // toggle individual class names
                    var className,
                        i = 0,
                        self = jQuery( this ),
                        state = stateVal,
                        classNames = value.match( core_rnotwhite ) || [];

                    while ( (className = classNames[ i++ ]) ) {
                        // check each className given, space separated list
                        state = isBool ? state : !self.hasClass( className );
                        self[ state ? "addClass" : "removeClass" ]( className );
                    }

                    // Toggle whole class name
                } else if ( type === core_strundefined || type === "boolean" ) {
                    if ( this.className ) {
                        // store className if set
                        jQuery._data( this, "__className__", this.className );
                    }

                    // If the element has a class name or if we're passed "false",
                    // then remove the whole classname (if there was one, the above saved it).
                    // Otherwise bring back whatever was previously saved (if anything),
                    // falling back to the empty string if nothing was stored.
                    this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
                }
            });
        },

        hasClass: function( selector ) {
            var className = " " + selector + " ",
                i = 0,
                l = this.length;
            for ( ; i < l; i++ ) {
                if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
                    return true;
                }
            }

            return false;
        },

        val: function( value ) {
            var ret, hooks, isFunction,
                elem = this[0];

            if ( !arguments.length ) {
                if ( elem ) {
                    hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];

                    if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
                        return ret;
                    }

                    ret = elem.value;

                    return typeof ret === "string" ?
                        // handle most common string cases
                        ret.replace(rreturn, "") :
                        // handle cases where value is null/undef or number
                        ret == null ? "" : ret;
                }

                return;
            }

            isFunction = jQuery.isFunction( value );

            return this.each(function( i ) {
                var val,
                    self = jQuery(this);

                if ( this.nodeType !== 1 ) {
                    return;
                }

                if ( isFunction ) {
                    val = value.call( this, i, self.val() );
                } else {
                    val = value;
                }

                // Treat null/undefined as ""; convert numbers to string
                if ( val == null ) {
                    val = "";
                } else if ( typeof val === "number" ) {
                    val += "";
                } else if ( jQuery.isArray( val ) ) {
                    val = jQuery.map(val, function ( value ) {
                        return value == null ? "" : value + "";
                    });
                }

                hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];

                // If set returns undefined, fall back to normal setting
                if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
                    this.value = val;
                }
            });
        }
    });

    jQuery.extend({
        valHooks: {
            option: {
                get: function( elem ) {
                    // attributes.value is undefined in Blackberry 4.7 but
                    // uses .value. See #6932
                    var val = elem.attributes.value;
                    return !val || val.specified ? elem.value : elem.text;
                }
            },
            select: {
                get: function( elem ) {
                    var value, option,
                        options = elem.options,
                        index = elem.selectedIndex,
                        one = elem.type === "select-one" || index < 0,
                        values = one ? null : [],
                        max = one ? index + 1 : options.length,
                        i = index < 0 ?
                            max :
                            one ? index : 0;

                    // Loop through all the selected options
                    for ( ; i < max; i++ ) {
                        option = options[ i ];

                        // oldIE doesn't update selected after form reset (#2551)
                        if ( ( option.selected || i === index ) &&
                            // Don't return options that are disabled or in a disabled optgroup
                            ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
                            ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

                            // Get the specific value for the option
                            value = jQuery( option ).val();

                            // We don't need an array for one selects
                            if ( one ) {
                                return value;
                            }

                            // Multi-Selects return an array
                            values.push( value );
                        }
                    }

                    return values;
                },

                set: function( elem, value ) {
                    var values = jQuery.makeArray( value );

                    jQuery(elem).find("option").each(function() {
                        this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
                    });

                    if ( !values.length ) {
                        elem.selectedIndex = -1;
                    }
                    return values;
                }
            }
        },

        attr: function( elem, name, value ) {
            var hooks, notxml, ret,
                nType = elem.nodeType;

            // don't get/set attributes on text, comment and attribute nodes
            if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
                return;
            }

            // Fallback to prop when attributes are not supported
            if ( typeof elem.getAttribute === core_strundefined ) {
                return jQuery.prop( elem, name, value );
            }

            notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

            // All attributes are lowercase
            // Grab necessary hook if one is defined
            if ( notxml ) {
                name = name.toLowerCase();
                hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
            }

            if ( value !== undefined ) {

                if ( value === null ) {
                    jQuery.removeAttr( elem, name );

                } else if ( hooks && notxml && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
                    return ret;

                } else {
                    elem.setAttribute( name, value + "" );
                    return value;
                }

            } else if ( hooks && notxml && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
                return ret;

            } else {

                // In IE9+, Flash objects don't have .getAttribute (#12945)
                // Support: IE9+
                if ( typeof elem.getAttribute !== core_strundefined ) {
                    ret =  elem.getAttribute( name );
                }

                // Non-existent attributes return null, we normalize to undefined
                return ret == null ?
                    undefined :
                    ret;
            }
        },

        removeAttr: function( elem, value ) {
            var name, propName,
                i = 0,
                attrNames = value && value.match( core_rnotwhite );

            if ( attrNames && elem.nodeType === 1 ) {
                while ( (name = attrNames[i++]) ) {
                    propName = jQuery.propFix[ name ] || name;

                    // Boolean attributes get special treatment (#10870)
                    if ( rboolean.test( name ) ) {
                        // Set corresponding property to false for boolean attributes
                        // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8
                        if ( !getSetAttribute && ruseDefault.test( name ) ) {
                            elem[ jQuery.camelCase( "default-" + name ) ] =
                                elem[ propName ] = false;
                        } else {
                            elem[ propName ] = false;
                        }

                        // See #9699 for explanation of this approach (setting first, then removal)
                    } else {
                        jQuery.attr( elem, name, "" );
                    }

                    elem.removeAttribute( getSetAttribute ? name : propName );
                }
            }
        },

        attrHooks: {
            type: {
                set: function( elem, value ) {
                    if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
                        // Setting the type on a radio button after the value resets the value in IE6-9
                        // Reset value to default in case type is set after value during creation
                        var val = elem.value;
                        elem.setAttribute( "type", value );
                        if ( val ) {
                            elem.value = val;
                        }
                        return value;
                    }
                }
            }
        },

        propFix: {
            tabindex: "tabIndex",
            readonly: "readOnly",
            "for": "htmlFor",
            "class": "className",
            maxlength: "maxLength",
            cellspacing: "cellSpacing",
            cellpadding: "cellPadding",
            rowspan: "rowSpan",
            colspan: "colSpan",
            usemap: "useMap",
            frameborder: "frameBorder",
            contenteditable: "contentEditable"
        },

        prop: function( elem, name, value ) {
            var ret, hooks, notxml,
                nType = elem.nodeType;

            // don't get/set properties on text, comment and attribute nodes
            if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
                return;
            }

            notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

            if ( notxml ) {
                // Fix name and attach hooks
                name = jQuery.propFix[ name ] || name;
                hooks = jQuery.propHooks[ name ];
            }

            if ( value !== undefined ) {
                if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
                    return ret;

                } else {
                    return ( elem[ name ] = value );
                }

            } else {
                if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
                    return ret;

                } else {
                    return elem[ name ];
                }
            }
        },

        propHooks: {
            tabIndex: {
                get: function( elem ) {
                    // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
                    // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
                    var attributeNode = elem.getAttributeNode("tabindex");

                    return attributeNode && attributeNode.specified ?
                        parseInt( attributeNode.value, 10 ) :
                        rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
                            0 :
                            undefined;
                }
            }
        }
    });

// Hook for boolean attributes
    boolHook = {
        get: function( elem, name ) {
            var
            // Use .prop to determine if this attribute is understood as boolean
                prop = jQuery.prop( elem, name ),

            // Fetch it accordingly
                attr = typeof prop === "boolean" && elem.getAttribute( name ),
                detail = typeof prop === "boolean" ?

                    getSetInput && getSetAttribute ?
                        attr != null :
                        // oldIE fabricates an empty string for missing boolean attributes
                        // and conflates checked/selected into attroperties
                        ruseDefault.test( name ) ?
                            elem[ jQuery.camelCase( "default-" + name ) ] :
                            !!attr :

                    // fetch an attribute node for properties not recognized as boolean
                    elem.getAttributeNode( name );

            return detail && detail.value !== false ?
                name.toLowerCase() :
                undefined;
        },
        set: function( elem, value, name ) {
            if ( value === false ) {
                // Remove boolean attributes when set to false
                jQuery.removeAttr( elem, name );
            } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
                // IE<8 needs the *property* name
                elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );

                // Use defaultChecked and defaultSelected for oldIE
            } else {
                elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
            }

            return name;
        }
    };

// fix oldIE value attroperty
    if ( !getSetInput || !getSetAttribute ) {
        jQuery.attrHooks.value = {
            get: function( elem, name ) {
                var ret = elem.getAttributeNode( name );
                return jQuery.nodeName( elem, "input" ) ?

                    // Ignore the value *property* by using defaultValue
                    elem.defaultValue :

                    ret && ret.specified ? ret.value : undefined;
            },
            set: function( elem, value, name ) {
                if ( jQuery.nodeName( elem, "input" ) ) {
                    // Does not return so that setAttribute is also used
                    elem.defaultValue = value;
                } else {
                    // Use nodeHook if defined (#1954); otherwise setAttribute is fine
                    return nodeHook && nodeHook.set( elem, value, name );
                }
            }
        };
    }

// IE6/7 do not support getting/setting some attributes with get/setAttribute
    if ( !getSetAttribute ) {

        // Use this for any attribute in IE6/7
        // This fixes almost every IE6/7 issue
        nodeHook = jQuery.valHooks.button = {
            get: function( elem, name ) {
                var ret = elem.getAttributeNode( name );
                return ret && ( name === "id" || name === "name" || name === "coords" ? ret.value !== "" : ret.specified ) ?
                    ret.value :
                    undefined;
            },
            set: function( elem, value, name ) {
                // Set the existing or create a new attribute node
                var ret = elem.getAttributeNode( name );
                if ( !ret ) {
                    elem.setAttributeNode(
                        (ret = elem.ownerDocument.createAttribute( name ))
                    );
                }

                ret.value = value += "";

                // Break association with cloned elements by also using setAttribute (#9646)
                return name === "value" || value === elem.getAttribute( name ) ?
                    value :
                    undefined;
            }
        };

        // Set contenteditable to false on removals(#10429)
        // Setting to empty string throws an error as an invalid value
        jQuery.attrHooks.contenteditable = {
            get: nodeHook.get,
            set: function( elem, value, name ) {
                nodeHook.set( elem, value === "" ? false : value, name );
            }
        };

        // Set width and height to auto instead of 0 on empty string( Bug #8150 )
        // This is for removals
        jQuery.each([ "width", "height" ], function( i, name ) {
            jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
                set: function( elem, value ) {
                    if ( value === "" ) {
                        elem.setAttribute( name, "auto" );
                        return value;
                    }
                }
            });
        });
    }


// Some attributes require a special call on IE
// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
    if ( !jQuery.support.hrefNormalized ) {
        jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
            jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
                get: function( elem ) {
                    var ret = elem.getAttribute( name, 2 );
                    return ret == null ? undefined : ret;
                }
            });
        });

        // href/src property should get the full normalized URL (#10299/#12915)
        jQuery.each([ "href", "src" ], function( i, name ) {
            jQuery.propHooks[ name ] = {
                get: function( elem ) {
                    return elem.getAttribute( name, 4 );
                }
            };
        });
    }

    if ( !jQuery.support.style ) {
        jQuery.attrHooks.style = {
            get: function( elem ) {
                // Return undefined in the case of empty string
                // Note: IE uppercases css property names, but if we were to .toLowerCase()
                // .cssText, that would destroy case senstitivity in URL's, like in "background"
                return elem.style.cssText || undefined;
            },
            set: function( elem, value ) {
                return ( elem.style.cssText = value + "" );
            }
        };
    }

// Safari mis-reports the default selected property of an option
// Accessing the parent's selectedIndex property fixes it
    if ( !jQuery.support.optSelected ) {
        jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
            get: function( elem ) {
                var parent = elem.parentNode;

                if ( parent ) {
                    parent.selectedIndex;

                    // Make sure that it also works with optgroups, see #5701
                    if ( parent.parentNode ) {
                        parent.parentNode.selectedIndex;
                    }
                }
                return null;
            }
        });
    }

// IE6/7 call enctype encoding
    if ( !jQuery.support.enctype ) {
        jQuery.propFix.enctype = "encoding";
    }

// Radios and checkboxes getter/setter
    if ( !jQuery.support.checkOn ) {
        jQuery.each([ "radio", "checkbox" ], function() {
            jQuery.valHooks[ this ] = {
                get: function( elem ) {
                    // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
                    return elem.getAttribute("value") === null ? "on" : elem.value;
                }
            };
        });
    }
    jQuery.each([ "radio", "checkbox" ], function() {
        jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
            set: function( elem, value ) {
                if ( jQuery.isArray( value ) ) {
                    return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
                }
            }
        });
    });
    var rformElems = /^(?:input|select|textarea)$/i,
        rkeyEvent = /^key/,
        rmouseEvent = /^(?:mouse|contextmenu)|click/,
        rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
        rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;

    function returnTrue() {
        return true;
    }

    function returnFalse() {
        return false;
    }

    /*
     * Helper functions for managing events -- not part of the public interface.
     * Props to Dean Edwards' addEvent library for many of the ideas.
     */
    jQuery.event = {

        global: {},

        add: function( elem, types, handler, data, selector ) {
            var tmp, events, t, handleObjIn,
                special, eventHandle, handleObj,
                handlers, type, namespaces, origType,
                elemData = jQuery._data( elem );

            // Don't attach events to noData or text/comment nodes (but allow plain objects)
            if ( !elemData ) {
                return;
            }

            // Caller can pass in an object of custom data in lieu of the handler
            if ( handler.handler ) {
                handleObjIn = handler;
                handler = handleObjIn.handler;
                selector = handleObjIn.selector;
            }

            // Make sure that the handler has a unique ID, used to find/remove it later
            if ( !handler.guid ) {
                handler.guid = jQuery.guid++;
            }

            // Init the element's event structure and main handler, if this is the first
            if ( !(events = elemData.events) ) {
                events = elemData.events = {};
            }
            if ( !(eventHandle = elemData.handle) ) {
                eventHandle = elemData.handle = function( e ) {
                    // Discard the second event of a jQuery.event.trigger() and
                    // when an event is called after a page has unloaded
                    return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
                        jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
                        undefined;
                };
                // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
                eventHandle.elem = elem;
            }

            // Handle multiple events separated by a space
            // jQuery(...).bind("mouseover mouseout", fn);
            types = ( types || "" ).match( core_rnotwhite ) || [""];
            t = types.length;
            while ( t-- ) {
                tmp = rtypenamespace.exec( types[t] ) || [];
                type = origType = tmp[1];
                namespaces = ( tmp[2] || "" ).split( "." ).sort();

                // If event changes its type, use the special event handlers for the changed type
                special = jQuery.event.special[ type ] || {};

                // If selector defined, determine special event api type, otherwise given type
                type = ( selector ? special.delegateType : special.bindType ) || type;

                // Update special based on newly reset type
                special = jQuery.event.special[ type ] || {};

                // handleObj is passed to all event handlers
                handleObj = jQuery.extend({
                    type: type,
                    origType: origType,
                    data: data,
                    handler: handler,
                    guid: handler.guid,
                    selector: selector,
                    needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
                    namespace: namespaces.join(".")
                }, handleObjIn );

                // Init the event handler queue if we're the first
                if ( !(handlers = events[ type ]) ) {
                    handlers = events[ type ] = [];
                    handlers.delegateCount = 0;

                    // Only use addEventListener/attachEvent if the special events handler returns false
                    if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
                        // Bind the global event handler to the element
                        if ( elem.addEventListener ) {
                            elem.addEventListener( type, eventHandle, false );

                        } else if ( elem.attachEvent ) {
                            elem.attachEvent( "on" + type, eventHandle );
                        }
                    }
                }

                if ( special.add ) {
                    special.add.call( elem, handleObj );

                    if ( !handleObj.handler.guid ) {
                        handleObj.handler.guid = handler.guid;
                    }
                }

                // Add to the element's handler list, delegates in front
                if ( selector ) {
                    handlers.splice( handlers.delegateCount++, 0, handleObj );
                } else {
                    handlers.push( handleObj );
                }

                // Keep track of which events have ever been used, for event optimization
                jQuery.event.global[ type ] = true;
            }

            // Nullify elem to prevent memory leaks in IE
            elem = null;
        },

        // Detach an event or set of events from an element
        remove: function( elem, types, handler, selector, mappedTypes ) {
            var j, handleObj, tmp,
                origCount, t, events,
                special, handlers, type,
                namespaces, origType,
                elemData = jQuery.hasData( elem ) && jQuery._data( elem );

            if ( !elemData || !(events = elemData.events) ) {
                return;
            }

            // Once for each type.namespace in types; type may be omitted
            types = ( types || "" ).match( core_rnotwhite ) || [""];
            t = types.length;
            while ( t-- ) {
                tmp = rtypenamespace.exec( types[t] ) || [];
                type = origType = tmp[1];
                namespaces = ( tmp[2] || "" ).split( "." ).sort();

                // Unbind all events (on this namespace, if provided) for the element
                if ( !type ) {
                    for ( type in events ) {
                        jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
                    }
                    continue;
                }

                special = jQuery.event.special[ type ] || {};
                type = ( selector ? special.delegateType : special.bindType ) || type;
                handlers = events[ type ] || [];
                tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );

                // Remove matching events
                origCount = j = handlers.length;
                while ( j-- ) {
                    handleObj = handlers[ j ];

                    if ( ( mappedTypes || origType === handleObj.origType ) &&
                        ( !handler || handler.guid === handleObj.guid ) &&
                        ( !tmp || tmp.test( handleObj.namespace ) ) &&
                        ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
                        handlers.splice( j, 1 );

                        if ( handleObj.selector ) {
                            handlers.delegateCount--;
                        }
                        if ( special.remove ) {
                            special.remove.call( elem, handleObj );
                        }
                    }
                }

                // Remove generic event handler if we removed something and no more handlers exist
                // (avoids potential for endless recursion during removal of special event handlers)
                if ( origCount && !handlers.length ) {
                    if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
                        jQuery.removeEvent( elem, type, elemData.handle );
                    }

                    delete events[ type ];
                }
            }

            // Remove the expando if it's no longer used
            if ( jQuery.isEmptyObject( events ) ) {
                delete elemData.handle;

                // removeData also checks for emptiness and clears the expando if empty
                // so use it instead of delete
                jQuery._removeData( elem, "events" );
            }
        },

        trigger: function( event, data, elem, onlyHandlers ) {
            var handle, ontype, cur,
                bubbleType, special, tmp, i,
                eventPath = [ elem || document ],
                type = core_hasOwn.call( event, "type" ) ? event.type : event,
                namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];

            cur = tmp = elem = elem || document;

            // Don't do events on text and comment nodes
            if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
                return;
            }

            // focus/blur morphs to focusin/out; ensure we're not firing them right now
            if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
                return;
            }

            if ( type.indexOf(".") >= 0 ) {
                // Namespaced trigger; create a regexp to match event type in handle()
                namespaces = type.split(".");
                type = namespaces.shift();
                namespaces.sort();
            }
            ontype = type.indexOf(":") < 0 && "on" + type;

            // Caller can pass in a jQuery.Event object, Object, or just an event type string
            event = event[ jQuery.expando ] ?
                event :
                new jQuery.Event( type, typeof event === "object" && event );

            event.isTrigger = true;
            event.namespace = namespaces.join(".");
            event.namespace_re = event.namespace ?
                new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
                null;

            // Clean up the event in case it is being reused
            event.result = undefined;
            if ( !event.target ) {
                event.target = elem;
            }

            // Clone any incoming data and prepend the event, creating the handler arg list
            data = data == null ?
                [ event ] :
                jQuery.makeArray( data, [ event ] );

            // Allow special events to draw outside the lines
            special = jQuery.event.special[ type ] || {};
            if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
                return;
            }

            // Determine event propagation path in advance, per W3C events spec (#9951)
            // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
            if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {

                bubbleType = special.delegateType || type;
                if ( !rfocusMorph.test( bubbleType + type ) ) {
                    cur = cur.parentNode;
                }
                for ( ; cur; cur = cur.parentNode ) {
                    eventPath.push( cur );
                    tmp = cur;
                }

                // Only add window if we got to document (e.g., not plain obj or detached DOM)
                if ( tmp === (elem.ownerDocument || document) ) {
                    eventPath.push( tmp.defaultView || tmp.parentWindow || window );
                }
            }

            // Fire handlers on the event path
            i = 0;
            while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {

                event.type = i > 1 ?
                    bubbleType :
                    special.bindType || type;

                // jQuery handler
                handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
                if ( handle ) {
                    handle.apply( cur, data );
                }

                // Native handler
                handle = ontype && cur[ ontype ];
                if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
                    event.preventDefault();
                }
            }
            event.type = type;

            // If nobody prevented the default action, do it now
            if ( !onlyHandlers && !event.isDefaultPrevented() ) {

                if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
                    !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {

                    // Call a native DOM method on the target with the same name name as the event.
                    // Can't use an .isFunction() check here because IE6/7 fails that test.
                    // Don't do default actions on window, that's where global variables be (#6170)
                    if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {

                        // Don't re-trigger an onFOO event when we call its FOO() method
                        tmp = elem[ ontype ];

                        if ( tmp ) {
                            elem[ ontype ] = null;
                        }

                        // Prevent re-triggering of the same event, since we already bubbled it above
                        jQuery.event.triggered = type;
                        try {
                            elem[ type ]();
                        } catch ( e ) {
                            // IE<9 dies on focus/blur to hidden element (#1486,#12518)
                            // only reproducible on winXP IE8 native, not IE9 in IE8 mode
                        }
                        jQuery.event.triggered = undefined;

                        if ( tmp ) {
                            elem[ ontype ] = tmp;
                        }
                    }
                }
            }

            return event.result;
        },

        dispatch: function( event ) {

            // Make a writable jQuery.Event from the native event object
            event = jQuery.event.fix( event );

            var i, ret, handleObj, matched, j,
                handlerQueue = [],
                args = core_slice.call( arguments ),
                handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
                special = jQuery.event.special[ event.type ] || {};

            // Use the fix-ed jQuery.Event rather than the (read-only) native event
            args[0] = event;
            event.delegateTarget = this;

            // Call the preDispatch hook for the mapped type, and let it bail if desired
            if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
                return;
            }

            // Determine handlers
            handlerQueue = jQuery.event.handlers.call( this, event, handlers );

            // Run delegates first; they may want to stop propagation beneath us
            i = 0;
            while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
                event.currentTarget = matched.elem;

                j = 0;
                while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {

                    // Triggered event must either 1) have no namespace, or
                    // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
                    if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {

                        event.handleObj = handleObj;
                        event.data = handleObj.data;

                        ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
                            .apply( matched.elem, args );

                        if ( ret !== undefined ) {
                            if ( (event.result = ret) === false ) {
                                event.preventDefault();
                                event.stopPropagation();
                            }
                        }
                    }
                }
            }

            // Call the postDispatch hook for the mapped type
            if ( special.postDispatch ) {
                special.postDispatch.call( this, event );
            }

            return event.result;
        },

        handlers: function( event, handlers ) {
            var sel, handleObj, matches, i,
                handlerQueue = [],
                delegateCount = handlers.delegateCount,
                cur = event.target;

            // Find delegate handlers
            // Black-hole SVG <use> instance trees (#13180)
            // Avoid non-left-click bubbling in Firefox (#3861)
            if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {

                for ( ; cur != this; cur = cur.parentNode || this ) {

                    // Don't check non-elements (#13208)
                    // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
                    if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
                        matches = [];
                        for ( i = 0; i < delegateCount; i++ ) {
                            handleObj = handlers[ i ];

                            // Don't conflict with Object.prototype properties (#13203)
                            sel = handleObj.selector + " ";

                            if ( matches[ sel ] === undefined ) {
                                matches[ sel ] = handleObj.needsContext ?
                                    jQuery( sel, this ).index( cur ) >= 0 :
                                    jQuery.find( sel, this, null, [ cur ] ).length;
                            }
                            if ( matches[ sel ] ) {
                                matches.push( handleObj );
                            }
                        }
                        if ( matches.length ) {
                            handlerQueue.push({ elem: cur, handlers: matches });
                        }
                    }
                }
            }

            // Add the remaining (directly-bound) handlers
            if ( delegateCount < handlers.length ) {
                handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
            }

            return handlerQueue;
        },

        fix: function( event ) {
            if ( event[ jQuery.expando ] ) {
                return event;
            }

            // Create a writable copy of the event object and normalize some properties
            var i, prop, copy,
                type = event.type,
                originalEvent = event,
                fixHook = this.fixHooks[ type ];

            if ( !fixHook ) {
                this.fixHooks[ type ] = fixHook =
                    rmouseEvent.test( type ) ? this.mouseHooks :
                        rkeyEvent.test( type ) ? this.keyHooks :
                        {};
            }
            copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;

            event = new jQuery.Event( originalEvent );

            i = copy.length;
            while ( i-- ) {
                prop = copy[ i ];
                event[ prop ] = originalEvent[ prop ];
            }

            // Support: IE<9
            // Fix target property (#1925)
            if ( !event.target ) {
                event.target = originalEvent.srcElement || document;
            }

            // Support: Chrome 23+, Safari?
            // Target should not be a text node (#504, #13143)
            if ( event.target.nodeType === 3 ) {
                event.target = event.target.parentNode;
            }

            // Support: IE<9
            // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
            event.metaKey = !!event.metaKey;

            return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
        },

        // Includes some event props shared by KeyEvent and MouseEvent
        props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

        fixHooks: {},

        keyHooks: {
            props: "char charCode key keyCode".split(" "),
            filter: function( event, original ) {

                // Add which for key events
                if ( event.which == null ) {
                    event.which = original.charCode != null ? original.charCode : original.keyCode;
                }

                return event;
            }
        },

        mouseHooks: {
            props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
            filter: function( event, original ) {
                var body, eventDoc, doc,
                    button = original.button,
                    fromElement = original.fromElement;

                // Calculate pageX/Y if missing and clientX/Y available
                if ( event.pageX == null && original.clientX != null ) {
                    eventDoc = event.target.ownerDocument || document;
                    doc = eventDoc.documentElement;
                    body = eventDoc.body;

                    event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
                    event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
                }

                // Add relatedTarget, if necessary
                if ( !event.relatedTarget && fromElement ) {
                    event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
                }

                // Add which for click: 1 === left; 2 === middle; 3 === right
                // Note: button is not normalized, so don't use it
                if ( !event.which && button !== undefined ) {
                    event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
                }

                return event;
            }
        },

        special: {
            load: {
                // Prevent triggered image.load events from bubbling to window.load
                noBubble: true
            },
            click: {
                // For checkbox, fire native event so checked state will be right
                trigger: function() {
                    if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
                        this.click();
                        return false;
                    }
                }
            },
            focus: {
                // Fire native event if possible so blur/focus sequence is correct
                trigger: function() {
                    if ( this !== document.activeElement && this.focus ) {
                        try {
                            this.focus();
                            return false;
                        } catch ( e ) {
                            // Support: IE<9
                            // If we error on focus to hidden element (#1486, #12518),
                            // let .trigger() run the handlers
                        }
                    }
                },
                delegateType: "focusin"
            },
            blur: {
                trigger: function() {
                    if ( this === document.activeElement && this.blur ) {
                        this.blur();
                        return false;
                    }
                },
                delegateType: "focusout"
            },

            beforeunload: {
                postDispatch: function( event ) {

                    // Even when returnValue equals to undefined Firefox will still show alert
                    if ( event.result !== undefined ) {
                        event.originalEvent.returnValue = event.result;
                    }
                }
            }
        },

        simulate: function( type, elem, event, bubble ) {
            // Piggyback on a donor event to simulate a different one.
            // Fake originalEvent to avoid donor's stopPropagation, but if the
            // simulated event prevents default then we do the same on the donor.
            var e = jQuery.extend(
                new jQuery.Event(),
                event,
                { type: type,
                    isSimulated: true,
                    originalEvent: {}
                }
            );
            if ( bubble ) {
                jQuery.event.trigger( e, null, elem );
            } else {
                jQuery.event.dispatch.call( elem, e );
            }
            if ( e.isDefaultPrevented() ) {
                event.preventDefault();
            }
        }
    };

    jQuery.removeEvent = document.removeEventListener ?
        function( elem, type, handle ) {
            if ( elem.removeEventListener ) {
                elem.removeEventListener( type, handle, false );
            }
        } :
        function( elem, type, handle ) {
            var name = "on" + type;

            if ( elem.detachEvent ) {

                // #8545, #7054, preventing memory leaks for custom events in IE6-8
                // detachEvent needed property on element, by name of that event, to properly expose it to GC
                if ( typeof elem[ name ] === core_strundefined ) {
                    elem[ name ] = null;
                }

                elem.detachEvent( name, handle );
            }
        };

    jQuery.Event = function( src, props ) {
        // Allow instantiation without the 'new' keyword
        if ( !(this instanceof jQuery.Event) ) {
            return new jQuery.Event( src, props );
        }

        // Event object
        if ( src && src.type ) {
            this.originalEvent = src;
            this.type = src.type;

            // Events bubbling up the document may have been marked as prevented
            // by a handler lower down the tree; reflect the correct value.
            this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
                src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

            // Event type
        } else {
            this.type = src;
        }

        // Put explicitly provided properties onto the event object
        if ( props ) {
            jQuery.extend( this, props );
        }

        // Create a timestamp if incoming event doesn't have one
        this.timeStamp = src && src.timeStamp || jQuery.now();

        // Mark it as fixed
        this[ jQuery.expando ] = true;
    };

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
    jQuery.Event.prototype = {
        isDefaultPrevented: returnFalse,
        isPropagationStopped: returnFalse,
        isImmediatePropagationStopped: returnFalse,

        preventDefault: function() {
            var e = this.originalEvent;

            this.isDefaultPrevented = returnTrue;
            if ( !e ) {
                return;
            }

            // If preventDefault exists, run it on the original event
            if ( e.preventDefault ) {
                e.preventDefault();

                // Support: IE
                // Otherwise set the returnValue property of the original event to false
            } else {
                e.returnValue = false;
            }
        },
        stopPropagation: function() {
            var e = this.originalEvent;

            this.isPropagationStopped = returnTrue;
            if ( !e ) {
                return;
            }
            // If stopPropagation exists, run it on the original event
            if ( e.stopPropagation ) {
                e.stopPropagation();
            }

            // Support: IE
            // Set the cancelBubble property of the original event to true
            e.cancelBubble = true;
        },
        stopImmediatePropagation: function() {
            this.isImmediatePropagationStopped = returnTrue;
            this.stopPropagation();
        }
    };

// Create mouseenter/leave events using mouseover/out and event-time checks
    jQuery.each({
        mouseenter: "mouseover",
        mouseleave: "mouseout"
    }, function( orig, fix ) {
        jQuery.event.special[ orig ] = {
            delegateType: fix,
            bindType: fix,

            handle: function( event ) {
                var ret,
                    target = this,
                    related = event.relatedTarget,
                    handleObj = event.handleObj;

                // For mousenter/leave call the handler if related is outside the target.
                // NB: No relatedTarget if the mouse left/entered the browser window
                if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
                    event.type = handleObj.origType;
                    ret = handleObj.handler.apply( this, arguments );
                    event.type = fix;
                }
                return ret;
            }
        };
    });

// IE submit delegation
    if ( !jQuery.support.submitBubbles ) {

        jQuery.event.special.submit = {
            setup: function() {
                // Only need this for delegated form submit events
                if ( jQuery.nodeName( this, "form" ) ) {
                    return false;
                }

                // Lazy-add a submit handler when a descendant form may potentially be submitted
                jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
                    // Node name check avoids a VML-related crash in IE (#9807)
                    var elem = e.target,
                        form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
                    if ( form && !jQuery._data( form, "submitBubbles" ) ) {
                        jQuery.event.add( form, "submit._submit", function( event ) {
                            event._submit_bubble = true;
                        });
                        jQuery._data( form, "submitBubbles", true );
                    }
                });
                // return undefined since we don't need an event listener
            },

            postDispatch: function( event ) {
                // If form was submitted by the user, bubble the event up the tree
                if ( event._submit_bubble ) {
                    delete event._submit_bubble;
                    if ( this.parentNode && !event.isTrigger ) {
                        jQuery.event.simulate( "submit", this.parentNode, event, true );
                    }
                }
            },

            teardown: function() {
                // Only need this for delegated form submit events
                if ( jQuery.nodeName( this, "form" ) ) {
                    return false;
                }

                // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
                jQuery.event.remove( this, "._submit" );
            }
        };
    }

// IE change delegation and checkbox/radio fix
    if ( !jQuery.support.changeBubbles ) {

        jQuery.event.special.change = {

            setup: function() {

                if ( rformElems.test( this.nodeName ) ) {
                    // IE doesn't fire change on a check/radio until blur; trigger it on click
                    // after a propertychange. Eat the blur-change in special.change.handle.
                    // This still fires onchange a second time for check/radio after blur.
                    if ( this.type === "checkbox" || this.type === "radio" ) {
                        jQuery.event.add( this, "propertychange._change", function( event ) {
                            if ( event.originalEvent.propertyName === "checked" ) {
                                this._just_changed = true;
                            }
                        });
                        jQuery.event.add( this, "click._change", function( event ) {
                            if ( this._just_changed && !event.isTrigger ) {
                                this._just_changed = false;
                            }
                            // Allow triggered, simulated change events (#11500)
                            jQuery.event.simulate( "change", this, event, true );
                        });
                    }
                    return false;
                }
                // Delegated event; lazy-add a change handler on descendant inputs
                jQuery.event.add( this, "beforeactivate._change", function( e ) {
                    var elem = e.target;

                    if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
                        jQuery.event.add( elem, "change._change", function( event ) {
                            if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
                                jQuery.event.simulate( "change", this.parentNode, event, true );
                            }
                        });
                        jQuery._data( elem, "changeBubbles", true );
                    }
                });
            },

            handle: function( event ) {
                var elem = event.target;

                // Swallow native change events from checkbox/radio, we already triggered them above
                if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
                    return event.handleObj.handler.apply( this, arguments );
                }
            },

            teardown: function() {
                jQuery.event.remove( this, "._change" );

                return !rformElems.test( this.nodeName );
            }
        };
    }

// Create "bubbling" focus and blur events
    if ( !jQuery.support.focusinBubbles ) {
        jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {

            // Attach a single capturing handler while someone wants focusin/focusout
            var attaches = 0,
                handler = function( event ) {
                    jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
                };

            jQuery.event.special[ fix ] = {
                setup: function() {
                    if ( attaches++ === 0 ) {
                        document.addEventListener( orig, handler, true );
                    }
                },
                teardown: function() {
                    if ( --attaches === 0 ) {
                        document.removeEventListener( orig, handler, true );
                    }
                }
            };
        });
    }

    jQuery.fn.extend({

        on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
            var type, origFn;

            // Types can be a map of types/handlers
            if ( typeof types === "object" ) {
                // ( types-Object, selector, data )
                if ( typeof selector !== "string" ) {
                    // ( types-Object, data )
                    data = data || selector;
                    selector = undefined;
                }
                for ( type in types ) {
                    this.on( type, selector, data, types[ type ], one );
                }
                return this;
            }

            if ( data == null && fn == null ) {
                // ( types, fn )
                fn = selector;
                data = selector = undefined;
            } else if ( fn == null ) {
                if ( typeof selector === "string" ) {
                    // ( types, selector, fn )
                    fn = data;
                    data = undefined;
                } else {
                    // ( types, data, fn )
                    fn = data;
                    data = selector;
                    selector = undefined;
                }
            }
            if ( fn === false ) {
                fn = returnFalse;
            } else if ( !fn ) {
                return this;
            }

            if ( one === 1 ) {
                origFn = fn;
                fn = function( event ) {
                    // Can use an empty set, since event contains the info
                    jQuery().off( event );
                    return origFn.apply( this, arguments );
                };
                // Use same guid so caller can remove using origFn
                fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
            }
            return this.each( function() {
                jQuery.event.add( this, types, fn, data, selector );
            });
        },
        one: function( types, selector, data, fn ) {
            return this.on( types, selector, data, fn, 1 );
        },
        off: function( types, selector, fn ) {
            var handleObj, type;
            if ( types && types.preventDefault && types.handleObj ) {
                // ( event )  dispatched jQuery.Event
                handleObj = types.handleObj;
                jQuery( types.delegateTarget ).off(
                    handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
                    handleObj.selector,
                    handleObj.handler
                );
                return this;
            }
            if ( typeof types === "object" ) {
                // ( types-object [, selector] )
                for ( type in types ) {
                    this.off( type, selector, types[ type ] );
                }
                return this;
            }
            if ( selector === false || typeof selector === "function" ) {
                // ( types [, fn] )
                fn = selector;
                selector = undefined;
            }
            if ( fn === false ) {
                fn = returnFalse;
            }
            return this.each(function() {
                jQuery.event.remove( this, types, fn, selector );
            });
        },

        bind: function( types, data, fn ) {
            return this.on( types, null, data, fn );
        },
        unbind: function( types, fn ) {
            return this.off( types, null, fn );
        },

        delegate: function( selector, types, data, fn ) {
            return this.on( types, selector, data, fn );
        },
        undelegate: function( selector, types, fn ) {
            // ( namespace ) or ( selector, types [, fn] )
            return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
        },

        trigger: function( type, data ) {
            return this.each(function() {
                jQuery.event.trigger( type, data, this );
            });
        },
        triggerHandler: function( type, data ) {
            var elem = this[0];
            if ( elem ) {
                return jQuery.event.trigger( type, data, elem, true );
            }
        }
    });
    /*!
     * Sizzle CSS Selector Engine
     * Copyright 2012 jQuery Foundation and other contributors
     * Released under the MIT license
     * http://sizzlejs.com/
     */
    (function( window, undefined ) {

        var i,
            cachedruns,
            Expr,
            getText,
            isXML,
            compile,
            hasDuplicate,
            outermostContext,

        // Local document vars
            setDocument,
            document,
            docElem,
            documentIsXML,
            rbuggyQSA,
            rbuggyMatches,
            matches,
            contains,
            sortOrder,

        // Instance-specific data
            expando = "sizzle" + -(new Date()),
            preferredDoc = window.document,
            support = {},
            dirruns = 0,
            done = 0,
            classCache = createCache(),
            tokenCache = createCache(),
            compilerCache = createCache(),

        // General-purpose constants
            strundefined = typeof undefined,
            MAX_NEGATIVE = 1 << 31,

        // Array methods
            arr = [],
            pop = arr.pop,
            push = arr.push,
            slice = arr.slice,
        // Use a stripped-down indexOf if we can't use a native one
            indexOf = arr.indexOf || function( elem ) {
                var i = 0,
                    len = this.length;
                for ( ; i < len; i++ ) {
                    if ( this[i] === elem ) {
                        return i;
                    }
                }
                return -1;
            },


        // Regular expressions

        // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
            whitespace = "[\\x20\\t\\r\\n\\f]",
        // http://www.w3.org/TR/css3-syntax/#characters
            characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",

        // Loosely modeled on CSS identifier characters
        // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
        // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
            identifier = characterEncoding.replace( "w", "w#" ),

        // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
            operators = "([*^$|!~]?=)",
            attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
                "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",

        // Prefer arguments quoted,
        //   then not containing pseudos/brackets,
        //   then attribute selectors/non-parenthetical expressions,
        //   then anything else
        // These preferences are here to reduce the number of selectors
        //   needing tokenize in the PSEUDO preFilter
            pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",

        // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
            rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

            rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
            rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ),
            rpseudo = new RegExp( pseudos ),
            ridentifier = new RegExp( "^" + identifier + "$" ),

            matchExpr = {
                "ID": new RegExp( "^#(" + characterEncoding + ")" ),
                "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
                "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),
                "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
                "ATTR": new RegExp( "^" + attributes ),
                "PSEUDO": new RegExp( "^" + pseudos ),
                "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
                    "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
                    "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
                // For use in libraries implementing .is()
                // We use this for POS matching in `select`
                "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
                    whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
            },

            rsibling = /[\x20\t\r\n\f]*[+~]/,

            rnative = /^[^{]+\{\s*\[native code/,

        // Easily-parseable/retrievable ID or TAG or CLASS selectors
            rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

            rinputs = /^(?:input|select|textarea|button)$/i,
            rheader = /^h\d$/i,

            rescape = /'|\\/g,
            rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,

        // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
            runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g,
            funescape = function( _, escaped ) {
                var high = "0x" + escaped - 0x10000;
                // NaN means non-codepoint
                return high !== high ?
                    escaped :
                    // BMP codepoint
                    high < 0 ?
                        String.fromCharCode( high + 0x10000 ) :
                        // Supplemental Plane codepoint (surrogate pair)
                        String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
            };

// Use a stripped-down slice if we can't use a native one
        try {
            slice.call( preferredDoc.documentElement.childNodes, 0 )[0].nodeType;
        } catch ( e ) {
            slice = function( i ) {
                var elem,
                    results = [];
                while ( (elem = this[i++]) ) {
                    results.push( elem );
                }
                return results;
            };
        }

        /**
         * For feature detection
         * @param {Function} fn The function to test for native support
         */
        function isNative( fn ) {
            return rnative.test( fn + "" );
        }

        /**
         * Create key-value caches of limited size
         * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
         *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
         *	deleting the oldest entry
         */
        function createCache() {
            var cache,
                keys = [];

            return (cache = function( key, value ) {
                // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
                if ( keys.push( key += " " ) > Expr.cacheLength ) {
                    // Only keep the most recent entries
                    delete cache[ keys.shift() ];
                }
                return (cache[ key ] = value);
            });
        }

        /**
         * Mark a function for special use by Sizzle
         * @param {Function} fn The function to mark
         */
        function markFunction( fn ) {
            fn[ expando ] = true;
            return fn;
        }

        /**
         * Support testing using an element
         * @param {Function} fn Passed the created div and expects a boolean result
         */
        function assert( fn ) {
            var div = document.createElement("div");

            try {
                return fn( div );
            } catch (e) {
                return false;
            } finally {
                // release memory in IE
                div = null;
            }
        }

        function Sizzle( selector, context, results, seed ) {
            var match, elem, m, nodeType,
            // QSA vars
                i, groups, old, nid, newContext, newSelector;

            if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
                setDocument( context );
            }

            context = context || document;
            results = results || [];

            if ( !selector || typeof selector !== "string" ) {
                return results;
            }

            if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
                return [];
            }

            if ( !documentIsXML && !seed ) {

                // Shortcuts
                if ( (match = rquickExpr.exec( selector )) ) {
                    // Speed-up: Sizzle("#ID")
                    if ( (m = match[1]) ) {
                        if ( nodeType === 9 ) {
                            elem = context.getElementById( m );
                            // Check parentNode to catch when Blackberry 4.6 returns
                            // nodes that are no longer in the document #6963
                            if ( elem && elem.parentNode ) {
                                // Handle the case where IE, Opera, and Webkit return items
                                // by name instead of ID
                                if ( elem.id === m ) {
                                    results.push( elem );
                                    return results;
                                }
                            } else {
                                return results;
                            }
                        } else {
                            // Context is not a document
                            if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
                                contains( context, elem ) && elem.id === m ) {
                                results.push( elem );
                                return results;
                            }
                        }

                        // Speed-up: Sizzle("TAG")
                    } else if ( match[2] ) {
                        push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );
                        return results;

                        // Speed-up: Sizzle(".CLASS")
                    } else if ( (m = match[3]) && support.getByClassName && context.getElementsByClassName ) {
                        push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );
                        return results;
                    }
                }

                // QSA path
                if ( support.qsa && !rbuggyQSA.test(selector) ) {
                    old = true;
                    nid = expando;
                    newContext = context;
                    newSelector = nodeType === 9 && selector;

                    // qSA works strangely on Element-rooted queries
                    // We can work around this by specifying an extra ID on the root
                    // and working up from there (Thanks to Andrew Dupont for the technique)
                    // IE 8 doesn't work on object elements
                    if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
                        groups = tokenize( selector );

                        if ( (old = context.getAttribute("id")) ) {
                            nid = old.replace( rescape, "\\$&" );
                        } else {
                            context.setAttribute( "id", nid );
                        }
                        nid = "[id='" + nid + "'] ";

                        i = groups.length;
                        while ( i-- ) {
                            groups[i] = nid + toSelector( groups[i] );
                        }
                        newContext = rsibling.test( selector ) && context.parentNode || context;
                        newSelector = groups.join(",");
                    }

                    if ( newSelector ) {
                        try {
                            push.apply( results, slice.call( newContext.querySelectorAll(
                                newSelector
                            ), 0 ) );
                            return results;
                        } catch(qsaError) {
                        } finally {
                            if ( !old ) {
                                context.removeAttribute("id");
                            }
                        }
                    }
                }
            }

            // All others
            return select( selector.replace( rtrim, "$1" ), context, results, seed );
        }

        /**
         * Detect xml
         * @param {Element|Object} elem An element or a document
         */
        isXML = Sizzle.isXML = function( elem ) {
            // documentElement is verified for cases where it doesn't yet exist
            // (such as loading iframes in IE - #4833)
            var documentElement = elem && (elem.ownerDocument || elem).documentElement;
            return documentElement ? documentElement.nodeName !== "HTML" : false;
        };

        /**
         * Sets document-related variables once based on the current document
         * @param {Element|Object} [doc] An element or document object to use to set the document
         * @returns {Object} Returns the current document
         */
        setDocument = Sizzle.setDocument = function( node ) {
            var doc = node ? node.ownerDocument || node : preferredDoc;

            // If no document and documentElement is available, return
            if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
                return document;
            }

            // Set our document
            document = doc;
            docElem = doc.documentElement;

            // Support tests
            documentIsXML = isXML( doc );

            // Check if getElementsByTagName("*") returns only elements
            support.tagNameNoComments = assert(function( div ) {
                div.appendChild( doc.createComment("") );
                return !div.getElementsByTagName("*").length;
            });

            // Check if attributes should be retrieved by attribute nodes
            support.attributes = assert(function( div ) {
                div.innerHTML = "<select></select>";
                var type = typeof div.lastChild.getAttribute("multiple");
                // IE8 returns a string for some attributes even when not present
                return type !== "boolean" && type !== "string";
            });

            // Check if getElementsByClassName can be trusted
            support.getByClassName = assert(function( div ) {
                // Opera can't find a second classname (in 9.6)
                div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";
                if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) {
                    return false;
                }

                // Safari 3.2 caches class attributes and doesn't catch changes
                div.lastChild.className = "e";
                return div.getElementsByClassName("e").length === 2;
            });

            // Check if getElementById returns elements by name
            // Check if getElementsByName privileges form controls or returns elements by ID
            support.getByName = assert(function( div ) {
                // Inject content
                div.id = expando + 0;
                div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";
                docElem.insertBefore( div, docElem.firstChild );

                // Test
                var pass = doc.getElementsByName &&
                    // buggy browsers will return fewer than the correct 2
                    doc.getElementsByName( expando ).length === 2 +
                        // buggy browsers will return more than the correct 0
                        doc.getElementsByName( expando + 0 ).length;
                support.getIdNotName = !doc.getElementById( expando );

                // Cleanup
                docElem.removeChild( div );

                return pass;
            });

            // IE6/7 return modified attributes
            Expr.attrHandle = assert(function( div ) {
                div.innerHTML = "<a href='#'></a>";
                return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
                    div.firstChild.getAttribute("href") === "#";
            }) ?
            {} :
            {
                "href": function( elem ) {
                    return elem.getAttribute( "href", 2 );
                },
                "type": function( elem ) {
                    return elem.getAttribute("type");
                }
            };

            // ID find and filter
            if ( support.getIdNotName ) {
                Expr.find["ID"] = function( id, context ) {
                    if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
                        var m = context.getElementById( id );
                        // Check parentNode to catch when Blackberry 4.6 returns
                        // nodes that are no longer in the document #6963
                        return m && m.parentNode ? [m] : [];
                    }
                };
                Expr.filter["ID"] = function( id ) {
                    var attrId = id.replace( runescape, funescape );
                    return function( elem ) {
                        return elem.getAttribute("id") === attrId;
                    };
                };
            } else {
                Expr.find["ID"] = function( id, context ) {
                    if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
                        var m = context.getElementById( id );

                        return m ?
                            m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?
                                [m] :
                                undefined :
                            [];
                    }
                };
                Expr.filter["ID"] =  function( id ) {
                    var attrId = id.replace( runescape, funescape );
                    return function( elem ) {
                        var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
                        return node && node.value === attrId;
                    };
                };
            }

            // Tag
            Expr.find["TAG"] = support.tagNameNoComments ?
                function( tag, context ) {
                    if ( typeof context.getElementsByTagName !== strundefined ) {
                        return context.getElementsByTagName( tag );
                    }
                } :
                function( tag, context ) {
                    var elem,
                        tmp = [],
                        i = 0,
                        results = context.getElementsByTagName( tag );

                    // Filter out possible comments
                    if ( tag === "*" ) {
                        while ( (elem = results[i++]) ) {
                            if ( elem.nodeType === 1 ) {
                                tmp.push( elem );
                            }
                        }

                        return tmp;
                    }
                    return results;
                };

            // Name
            Expr.find["NAME"] = support.getByName && function( tag, context ) {
                if ( typeof context.getElementsByName !== strundefined ) {
                    return context.getElementsByName( name );
                }
            };

            // Class
            Expr.find["CLASS"] = support.getByClassName && function( className, context ) {
                if ( typeof context.getElementsByClassName !== strundefined && !documentIsXML ) {
                    return context.getElementsByClassName( className );
                }
            };

            // QSA and matchesSelector support

            // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
            rbuggyMatches = [];

            // qSa(:focus) reports false when true (Chrome 21),
            // no need to also add to buggyMatches since matches checks buggyQSA
            // A support test would require too much code (would include document ready)
            rbuggyQSA = [ ":focus" ];

            if ( (support.qsa = isNative(doc.querySelectorAll)) ) {
                // Build QSA regex
                // Regex strategy adopted from Diego Perini
                assert(function( div ) {
                    // Select is set to empty string on purpose
                    // This is to test IE's treatment of not explictly
                    // setting a boolean content attribute,
                    // since its presence should be enough
                    // http://bugs.jquery.com/ticket/12359
                    div.innerHTML = "<select><option selected=''></option></select>";

                    // IE8 - Some boolean attributes are not treated correctly
                    if ( !div.querySelectorAll("[selected]").length ) {
                        rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );
                    }

                    // Webkit/Opera - :checked should return selected option elements
                    // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
                    // IE8 throws error here and will not see later tests
                    if ( !div.querySelectorAll(":checked").length ) {
                        rbuggyQSA.push(":checked");
                    }
                });

                assert(function( div ) {

                    // Opera 10-12/IE8 - ^= $= *= and empty values
                    // Should not select anything
                    div.innerHTML = "<input type='hidden' i=''/>";
                    if ( div.querySelectorAll("[i^='']").length ) {
                        rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );
                    }

                    // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
                    // IE8 throws error here and will not see later tests
                    if ( !div.querySelectorAll(":enabled").length ) {
                        rbuggyQSA.push( ":enabled", ":disabled" );
                    }

                    // Opera 10-11 does not throw on post-comma invalid pseudos
                    div.querySelectorAll("*,:x");
                    rbuggyQSA.push(",.*:");
                });
            }

            if ( (support.matchesSelector = isNative( (matches = docElem.matchesSelector ||
                docElem.mozMatchesSelector ||
                docElem.webkitMatchesSelector ||
                docElem.oMatchesSelector ||
                docElem.msMatchesSelector) )) ) {

                assert(function( div ) {
                    // Check to see if it's possible to do matchesSelector
                    // on a disconnected node (IE 9)
                    support.disconnectedMatch = matches.call( div, "div" );

                    // This should fail with an exception
                    // Gecko does not error, returns false instead
                    matches.call( div, "[s!='']:x" );
                    rbuggyMatches.push( "!=", pseudos );
                });
            }

            rbuggyQSA = new RegExp( rbuggyQSA.join("|") );
            rbuggyMatches = new RegExp( rbuggyMatches.join("|") );

            // Element contains another
            // Purposefully does not implement inclusive descendent
            // As in, an element does not contain itself
            contains = isNative(docElem.contains) || docElem.compareDocumentPosition ?
                function( a, b ) {
                    var adown = a.nodeType === 9 ? a.documentElement : a,
                        bup = b && b.parentNode;
                    return a === bup || !!( bup && bup.nodeType === 1 && (
                        adown.contains ?
                            adown.contains( bup ) :
                            a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
                        ));
                } :
                function( a, b ) {
                    if ( b ) {
                        while ( (b = b.parentNode) ) {
                            if ( b === a ) {
                                return true;
                            }
                        }
                    }
                    return false;
                };

            // Document order sorting
            sortOrder = docElem.compareDocumentPosition ?
                function( a, b ) {
                    var compare;

                    if ( a === b ) {
                        hasDuplicate = true;
                        return 0;
                    }

                    if ( (compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b )) ) {
                        if ( compare & 1 || a.parentNode && a.parentNode.nodeType === 11 ) {
                            if ( a === doc || contains( preferredDoc, a ) ) {
                                return -1;
                            }
                            if ( b === doc || contains( preferredDoc, b ) ) {
                                return 1;
                            }
                            return 0;
                        }
                        return compare & 4 ? -1 : 1;
                    }

                    return a.compareDocumentPosition ? -1 : 1;
                } :
                function( a, b ) {
                    var cur,
                        i = 0,
                        aup = a.parentNode,
                        bup = b.parentNode,
                        ap = [ a ],
                        bp = [ b ];

                    // Exit early if the nodes are identical
                    if ( a === b ) {
                        hasDuplicate = true;
                        return 0;

                        // Parentless nodes are either documents or disconnected
                    } else if ( !aup || !bup ) {
                        return a === doc ? -1 :
                            b === doc ? 1 :
                                aup ? -1 :
                                    bup ? 1 :
                                        0;

                        // If the nodes are siblings, we can do a quick check
                    } else if ( aup === bup ) {
                        return siblingCheck( a, b );
                    }

                    // Otherwise we need full lists of their ancestors for comparison
                    cur = a;
                    while ( (cur = cur.parentNode) ) {
                        ap.unshift( cur );
                    }
                    cur = b;
                    while ( (cur = cur.parentNode) ) {
                        bp.unshift( cur );
                    }

                    // Walk down the tree looking for a discrepancy
                    while ( ap[i] === bp[i] ) {
                        i++;
                    }

                    return i ?
                        // Do a sibling check if the nodes have a common ancestor
                        siblingCheck( ap[i], bp[i] ) :

                        // Otherwise nodes in our document sort first
                        ap[i] === preferredDoc ? -1 :
                            bp[i] === preferredDoc ? 1 :
                                0;
                };

            // Always assume the presence of duplicates if sort doesn't
            // pass them to our comparison function (as in Google Chrome).
            hasDuplicate = false;
            [0, 0].sort( sortOrder );
            support.detectDuplicates = hasDuplicate;

            return document;
        };

        Sizzle.matches = function( expr, elements ) {
            return Sizzle( expr, null, null, elements );
        };

        Sizzle.matchesSelector = function( elem, expr ) {
            // Set document vars if needed
            if ( ( elem.ownerDocument || elem ) !== document ) {
                setDocument( elem );
            }

            // Make sure that attribute selectors are quoted
            expr = expr.replace( rattributeQuotes, "='$1']" );

            // rbuggyQSA always contains :focus, so no need for an existence check
            if ( support.matchesSelector && !documentIsXML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && !rbuggyQSA.test(expr) ) {
                try {
                    var ret = matches.call( elem, expr );

                    // IE 9's matchesSelector returns false on disconnected nodes
                    if ( ret || support.disconnectedMatch ||
                        // As well, disconnected nodes are said to be in a document
                        // fragment in IE 9
                        elem.document && elem.document.nodeType !== 11 ) {
                        return ret;
                    }
                } catch(e) {}
            }

            return Sizzle( expr, document, null, [elem] ).length > 0;
        };

        Sizzle.contains = function( context, elem ) {
            // Set document vars if needed
            if ( ( context.ownerDocument || context ) !== document ) {
                setDocument( context );
            }
            return contains( context, elem );
        };

        Sizzle.attr = function( elem, name ) {
            var val;

            // Set document vars if needed
            if ( ( elem.ownerDocument || elem ) !== document ) {
                setDocument( elem );
            }

            if ( !documentIsXML ) {
                name = name.toLowerCase();
            }
            if ( (val = Expr.attrHandle[ name ]) ) {
                return val( elem );
            }
            if ( documentIsXML || support.attributes ) {
                return elem.getAttribute( name );
            }
            return ( (val = elem.getAttributeNode( name )) || elem.getAttribute( name ) ) && elem[ name ] === true ?
                name :
                val && val.specified ? val.value : null;
        };

        Sizzle.error = function( msg ) {
            throw new Error( "Syntax error, unrecognized expression: " + msg );
        };

// Document sorting and removing duplicates
        Sizzle.uniqueSort = function( results ) {
            var elem,
                duplicates = [],
                i = 1,
                j = 0;

            // Unless we *know* we can detect duplicates, assume their presence
            hasDuplicate = !support.detectDuplicates;
            results.sort( sortOrder );

            if ( hasDuplicate ) {
                for ( ; (elem = results[i]); i++ ) {
                    if ( elem === results[ i - 1 ] ) {
                        j = duplicates.push( i );
                    }
                }
                while ( j-- ) {
                    results.splice( duplicates[ j ], 1 );
                }
            }

            return results;
        };

        function siblingCheck( a, b ) {
            var cur = b && a,
                diff = cur && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );

            // Use IE sourceIndex if available on both nodes
            if ( diff ) {
                return diff;
            }

            // Check if b follows a
            if ( cur ) {
                while ( (cur = cur.nextSibling) ) {
                    if ( cur === b ) {
                        return -1;
                    }
                }
            }

            return a ? 1 : -1;
        }

// Returns a function to use in pseudos for input types
        function createInputPseudo( type ) {
            return function( elem ) {
                var name = elem.nodeName.toLowerCase();
                return name === "input" && elem.type === type;
            };
        }

// Returns a function to use in pseudos for buttons
        function createButtonPseudo( type ) {
            return function( elem ) {
                var name = elem.nodeName.toLowerCase();
                return (name === "input" || name === "button") && elem.type === type;
            };
        }

// Returns a function to use in pseudos for positionals
        function createPositionalPseudo( fn ) {
            return markFunction(function( argument ) {
                argument = +argument;
                return markFunction(function( seed, matches ) {
                    var j,
                        matchIndexes = fn( [], seed.length, argument ),
                        i = matchIndexes.length;

                    // Match elements found at the specified indexes
                    while ( i-- ) {
                        if ( seed[ (j = matchIndexes[i]) ] ) {
                            seed[j] = !(matches[j] = seed[j]);
                        }
                    }
                });
            });
        }

        /**
         * Utility function for retrieving the text value of an array of DOM nodes
         * @param {Array|Element} elem
         */
        getText = Sizzle.getText = function( elem ) {
            var node,
                ret = "",
                i = 0,
                nodeType = elem.nodeType;

            if ( !nodeType ) {
                // If no nodeType, this is expected to be an array
                for ( ; (node = elem[i]); i++ ) {
                    // Do not traverse comment nodes
                    ret += getText( node );
                }
            } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
                // Use textContent for elements
                // innerText usage removed for consistency of new lines (see #11153)
                if ( typeof elem.textContent === "string" ) {
                    return elem.textContent;
                } else {
                    // Traverse its children
                    for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
                        ret += getText( elem );
                    }
                }
            } else if ( nodeType === 3 || nodeType === 4 ) {
                return elem.nodeValue;
            }
            // Do not include comment or processing instruction nodes

            return ret;
        };

        Expr = Sizzle.selectors = {

            // Can be adjusted by the user
            cacheLength: 50,

            createPseudo: markFunction,

            match: matchExpr,

            find: {},

            relative: {
                ">": { dir: "parentNode", first: true },
                " ": { dir: "parentNode" },
                "+": { dir: "previousSibling", first: true },
                "~": { dir: "previousSibling" }
            },

            preFilter: {
                "ATTR": function( match ) {
                    match[1] = match[1].replace( runescape, funescape );

                    // Move the given value to match[3] whether quoted or unquoted
                    match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );

                    if ( match[2] === "~=" ) {
                        match[3] = " " + match[3] + " ";
                    }

                    return match.slice( 0, 4 );
                },

                "CHILD": function( match ) {
                    /* matches from matchExpr["CHILD"]
                     1 type (only|nth|...)
                     2 what (child|of-type)
                     3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
                     4 xn-component of xn+y argument ([+-]?\d*n|)
                     5 sign of xn-component
                     6 x of xn-component
                     7 sign of y-component
                     8 y of y-component
                     */
                    match[1] = match[1].toLowerCase();

                    if ( match[1].slice( 0, 3 ) === "nth" ) {
                        // nth-* requires argument
                        if ( !match[3] ) {
                            Sizzle.error( match[0] );
                        }

                        // numeric x and y parameters for Expr.filter.CHILD
                        // remember that false/true cast respectively to 0/1
                        match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
                        match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );

                        // other types prohibit arguments
                    } else if ( match[3] ) {
                        Sizzle.error( match[0] );
                    }

                    return match;
                },

                "PSEUDO": function( match ) {
                    var excess,
                        unquoted = !match[5] && match[2];

                    if ( matchExpr["CHILD"].test( match[0] ) ) {
                        return null;
                    }

                    // Accept quoted arguments as-is
                    if ( match[4] ) {
                        match[2] = match[4];

                        // Strip excess characters from unquoted arguments
                    } else if ( unquoted && rpseudo.test( unquoted ) &&
                        // Get excess from tokenize (recursively)
                        (excess = tokenize( unquoted, true )) &&
                        // advance to the next closing parenthesis
                        (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

                        // excess is a negative index
                        match[0] = match[0].slice( 0, excess );
                        match[2] = unquoted.slice( 0, excess );
                    }

                    // Return only captures needed by the pseudo filter method (type and argument)
                    return match.slice( 0, 3 );
                }
            },

            filter: {

                "TAG": function( nodeName ) {
                    if ( nodeName === "*" ) {
                        return function() { return true; };
                    }

                    nodeName = nodeName.replace( runescape, funescape ).toLowerCase();
                    return function( elem ) {
                        return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
                    };
                },

                "CLASS": function( className ) {
                    var pattern = classCache[ className + " " ];

                    return pattern ||
                        (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
                            classCache( className, function( elem ) {
                                return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );
                            });
                },

                "ATTR": function( name, operator, check ) {
                    return function( elem ) {
                        var result = Sizzle.attr( elem, name );

                        if ( result == null ) {
                            return operator === "!=";
                        }
                        if ( !operator ) {
                            return true;
                        }

                        result += "";

                        return operator === "=" ? result === check :
                            operator === "!=" ? result !== check :
                                operator === "^=" ? check && result.indexOf( check ) === 0 :
                                    operator === "*=" ? check && result.indexOf( check ) > -1 :
                                        operator === "$=" ? check && result.slice( -check.length ) === check :
                                            operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
                                                operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
                                                    false;
                    };
                },

                "CHILD": function( type, what, argument, first, last ) {
                    var simple = type.slice( 0, 3 ) !== "nth",
                        forward = type.slice( -4 ) !== "last",
                        ofType = what === "of-type";

                    return first === 1 && last === 0 ?

                        // Shortcut for :nth-*(n)
                        function( elem ) {
                            return !!elem.parentNode;
                        } :

                        function( elem, context, xml ) {
                            var cache, outerCache, node, diff, nodeIndex, start,
                                dir = simple !== forward ? "nextSibling" : "previousSibling",
                                parent = elem.parentNode,
                                name = ofType && elem.nodeName.toLowerCase(),
                                useCache = !xml && !ofType;

                            if ( parent ) {

                                // :(first|last|only)-(child|of-type)
                                if ( simple ) {
                                    while ( dir ) {
                                        node = elem;
                                        while ( (node = node[ dir ]) ) {
                                            if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
                                                return false;
                                            }
                                        }
                                        // Reverse direction for :only-* (if we haven't yet done so)
                                        start = dir = type === "only" && !start && "nextSibling";
                                    }
                                    return true;
                                }

                                start = [ forward ? parent.firstChild : parent.lastChild ];

                                // non-xml :nth-child(...) stores cache data on `parent`
                                if ( forward && useCache ) {
                                    // Seek `elem` from a previously-cached index
                                    outerCache = parent[ expando ] || (parent[ expando ] = {});
                                    cache = outerCache[ type ] || [];
                                    nodeIndex = cache[0] === dirruns && cache[1];
                                    diff = cache[0] === dirruns && cache[2];
                                    node = nodeIndex && parent.childNodes[ nodeIndex ];

                                    while ( (node = ++nodeIndex && node && node[ dir ] ||

                                        // Fallback to seeking `elem` from the start
                                        (diff = nodeIndex = 0) || start.pop()) ) {

                                        // When found, cache indexes on `parent` and break
                                        if ( node.nodeType === 1 && ++diff && node === elem ) {
                                            outerCache[ type ] = [ dirruns, nodeIndex, diff ];
                                            break;
                                        }
                                    }

                                    // Use previously-cached element index if available
                                } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
                                    diff = cache[1];

                                    // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
                                } else {
                                    // Use the same loop as above to seek `elem` from the start
                                    while ( (node = ++nodeIndex && node && node[ dir ] ||
                                        (diff = nodeIndex = 0) || start.pop()) ) {

                                        if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
                                            // Cache the index of each encountered element
                                            if ( useCache ) {
                                                (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
                                            }

                                            if ( node === elem ) {
                                                break;
                                            }
                                        }
                                    }
                                }

                                // Incorporate the offset, then check against cycle size
                                diff -= last;
                                return diff === first || ( diff % first === 0 && diff / first >= 0 );
                            }
                        };
                },

                "PSEUDO": function( pseudo, argument ) {
                    // pseudo-class names are case-insensitive
                    // http://www.w3.org/TR/selectors/#pseudo-classes
                    // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
                    // Remember that setFilters inherits from pseudos
                    var args,
                        fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
                            Sizzle.error( "unsupported pseudo: " + pseudo );

                    // The user may use createPseudo to indicate that
                    // arguments are needed to create the filter function
                    // just as Sizzle does
                    if ( fn[ expando ] ) {
                        return fn( argument );
                    }

                    // But maintain support for old signatures
                    if ( fn.length > 1 ) {
                        args = [ pseudo, pseudo, "", argument ];
                        return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
                            markFunction(function( seed, matches ) {
                                var idx,
                                    matched = fn( seed, argument ),
                                    i = matched.length;
                                while ( i-- ) {
                                    idx = indexOf.call( seed, matched[i] );
                                    seed[ idx ] = !( matches[ idx ] = matched[i] );
                                }
                            }) :
                            function( elem ) {
                                return fn( elem, 0, args );
                            };
                    }

                    return fn;
                }
            },

            pseudos: {
                // Potentially complex pseudos
                "not": markFunction(function( selector ) {
                    // Trim the selector passed to compile
                    // to avoid treating leading and trailing
                    // spaces as combinators
                    var input = [],
                        results = [],
                        matcher = compile( selector.replace( rtrim, "$1" ) );

                    return matcher[ expando ] ?
                        markFunction(function( seed, matches, context, xml ) {
                            var elem,
                                unmatched = matcher( seed, null, xml, [] ),
                                i = seed.length;

                            // Match elements unmatched by `matcher`
                            while ( i-- ) {
                                if ( (elem = unmatched[i]) ) {
                                    seed[i] = !(matches[i] = elem);
                                }
                            }
                        }) :
                        function( elem, context, xml ) {
                            input[0] = elem;
                            matcher( input, null, xml, results );
                            return !results.pop();
                        };
                }),

                "has": markFunction(function( selector ) {
                    return function( elem ) {
                        return Sizzle( selector, elem ).length > 0;
                    };
                }),

                "contains": markFunction(function( text ) {
                    return function( elem ) {
                        return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
                    };
                }),

                // "Whether an element is represented by a :lang() selector
                // is based solely on the element's language value
                // being equal to the identifier C,
                // or beginning with the identifier C immediately followed by "-".
                // The matching of C against the element's language value is performed case-insensitively.
                // The identifier C does not have to be a valid language name."
                // http://www.w3.org/TR/selectors/#lang-pseudo
                "lang": markFunction( function( lang ) {
                    // lang value must be a valid identifider
                    if ( !ridentifier.test(lang || "") ) {
                        Sizzle.error( "unsupported lang: " + lang );
                    }
                    lang = lang.replace( runescape, funescape ).toLowerCase();
                    return function( elem ) {
                        var elemLang;
                        do {
                            if ( (elemLang = documentIsXML ?
                                elem.getAttribute("xml:lang") || elem.getAttribute("lang") :
                                elem.lang) ) {

                                elemLang = elemLang.toLowerCase();
                                return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
                            }
                        } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
                        return false;
                    };
                }),

                // Miscellaneous
                "target": function( elem ) {
                    var hash = window.location && window.location.hash;
                    return hash && hash.slice( 1 ) === elem.id;
                },

                "root": function( elem ) {
                    return elem === docElem;
                },

                "focus": function( elem ) {
                    return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
                },

                // Boolean properties
                "enabled": function( elem ) {
                    return elem.disabled === false;
                },

                "disabled": function( elem ) {
                    return elem.disabled === true;
                },

                "checked": function( elem ) {
                    // In CSS3, :checked should return both checked and selected elements
                    // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
                    var nodeName = elem.nodeName.toLowerCase();
                    return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
                },

                "selected": function( elem ) {
                    // Accessing this property makes selected-by-default
                    // options in Safari work properly
                    if ( elem.parentNode ) {
                        elem.parentNode.selectedIndex;
                    }

                    return elem.selected === true;
                },

                // Contents
                "empty": function( elem ) {
                    // http://www.w3.org/TR/selectors/#empty-pseudo
                    // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
                    //   not comment, processing instructions, or others
                    // Thanks to Diego Perini for the nodeName shortcut
                    //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
                    for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
                        if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
                            return false;
                        }
                    }
                    return true;
                },

                "parent": function( elem ) {
                    return !Expr.pseudos["empty"]( elem );
                },

                // Element/input types
                "header": function( elem ) {
                    return rheader.test( elem.nodeName );
                },

                "input": function( elem ) {
                    return rinputs.test( elem.nodeName );
                },

                "button": function( elem ) {
                    var name = elem.nodeName.toLowerCase();
                    return name === "input" && elem.type === "button" || name === "button";
                },

                "text": function( elem ) {
                    var attr;
                    // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
                    // use getAttribute instead to test this case
                    return elem.nodeName.toLowerCase() === "input" &&
                        elem.type === "text" &&
                        ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
                },

                // Position-in-collection
                "first": createPositionalPseudo(function() {
                    return [ 0 ];
                }),

                "last": createPositionalPseudo(function( matchIndexes, length ) {
                    return [ length - 1 ];
                }),

                "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
                    return [ argument < 0 ? argument + length : argument ];
                }),

                "even": createPositionalPseudo(function( matchIndexes, length ) {
                    var i = 0;
                    for ( ; i < length; i += 2 ) {
                        matchIndexes.push( i );
                    }
                    return matchIndexes;
                }),

                "odd": createPositionalPseudo(function( matchIndexes, length ) {
                    var i = 1;
                    for ( ; i < length; i += 2 ) {
                        matchIndexes.push( i );
                    }
                    return matchIndexes;
                }),

                "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
                    var i = argument < 0 ? argument + length : argument;
                    for ( ; --i >= 0; ) {
                        matchIndexes.push( i );
                    }
                    return matchIndexes;
                }),

                "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
                    var i = argument < 0 ? argument + length : argument;
                    for ( ; ++i < length; ) {
                        matchIndexes.push( i );
                    }
                    return matchIndexes;
                })
            }
        };

// Add button/input type pseudos
        for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
            Expr.pseudos[ i ] = createInputPseudo( i );
        }
        for ( i in { submit: true, reset: true } ) {
            Expr.pseudos[ i ] = createButtonPseudo( i );
        }

        function tokenize( selector, parseOnly ) {
            var matched, match, tokens, type,
                soFar, groups, preFilters,
                cached = tokenCache[ selector + " " ];

            if ( cached ) {
                return parseOnly ? 0 : cached.slice( 0 );
            }

            soFar = selector;
            groups = [];
            preFilters = Expr.preFilter;

            while ( soFar ) {

                // Comma and first run
                if ( !matched || (match = rcomma.exec( soFar )) ) {
                    if ( match ) {
                        // Don't consume trailing commas as valid
                        soFar = soFar.slice( match[0].length ) || soFar;
                    }
                    groups.push( tokens = [] );
                }

                matched = false;

                // Combinators
                if ( (match = rcombinators.exec( soFar )) ) {
                    matched = match.shift();
                    tokens.push( {
                        value: matched,
                        // Cast descendant combinators to space
                        type: match[0].replace( rtrim, " " )
                    } );
                    soFar = soFar.slice( matched.length );
                }

                // Filters
                for ( type in Expr.filter ) {
                    if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
                        (match = preFilters[ type ]( match ))) ) {
                        matched = match.shift();
                        tokens.push( {
                            value: matched,
                            type: type,
                            matches: match
                        } );
                        soFar = soFar.slice( matched.length );
                    }
                }

                if ( !matched ) {
                    break;
                }
            }

            // Return the length of the invalid excess
            // if we're just parsing
            // Otherwise, throw an error or return tokens
            return parseOnly ?
                soFar.length :
                soFar ?
                    Sizzle.error( selector ) :
                    // Cache the tokens
                    tokenCache( selector, groups ).slice( 0 );
        }

        function toSelector( tokens ) {
            var i = 0,
                len = tokens.length,
                selector = "";
            for ( ; i < len; i++ ) {
                selector += tokens[i].value;
            }
            return selector;
        }

        function addCombinator( matcher, combinator, base ) {
            var dir = combinator.dir,
                checkNonElements = base && dir === "parentNode",
                doneName = done++;

            return combinator.first ?
                // Check against closest ancestor/preceding element
                function( elem, context, xml ) {
                    while ( (elem = elem[ dir ]) ) {
                        if ( elem.nodeType === 1 || checkNonElements ) {
                            return matcher( elem, context, xml );
                        }
                    }
                } :

                // Check against all ancestor/preceding elements
                function( elem, context, xml ) {
                    var data, cache, outerCache,
                        dirkey = dirruns + " " + doneName;

                    // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
                    if ( xml ) {
                        while ( (elem = elem[ dir ]) ) {
                            if ( elem.nodeType === 1 || checkNonElements ) {
                                if ( matcher( elem, context, xml ) ) {
                                    return true;
                                }
                            }
                        }
                    } else {
                        while ( (elem = elem[ dir ]) ) {
                            if ( elem.nodeType === 1 || checkNonElements ) {
                                outerCache = elem[ expando ] || (elem[ expando ] = {});
                                if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
                                    if ( (data = cache[1]) === true || data === cachedruns ) {
                                        return data === true;
                                    }
                                } else {
                                    cache = outerCache[ dir ] = [ dirkey ];
                                    cache[1] = matcher( elem, context, xml ) || cachedruns;
                                    if ( cache[1] === true ) {
                                        return true;
                                    }
                                }
                            }
                        }
                    }
                };
        }

        function elementMatcher( matchers ) {
            return matchers.length > 1 ?
                function( elem, context, xml ) {
                    var i = matchers.length;
                    while ( i-- ) {
                        if ( !matchers[i]( elem, context, xml ) ) {
                            return false;
                        }
                    }
                    return true;
                } :
                matchers[0];
        }

        function condense( unmatched, map, filter, context, xml ) {
            var elem,
                newUnmatched = [],
                i = 0,
                len = unmatched.length,
                mapped = map != null;

            for ( ; i < len; i++ ) {
                if ( (elem = unmatched[i]) ) {
                    if ( !filter || filter( elem, context, xml ) ) {
                        newUnmatched.push( elem );
                        if ( mapped ) {
                            map.push( i );
                        }
                    }
                }
            }

            return newUnmatched;
        }

        function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
            if ( postFilter && !postFilter[ expando ] ) {
                postFilter = setMatcher( postFilter );
            }
            if ( postFinder && !postFinder[ expando ] ) {
                postFinder = setMatcher( postFinder, postSelector );
            }
            return markFunction(function( seed, results, context, xml ) {
                var temp, i, elem,
                    preMap = [],
                    postMap = [],
                    preexisting = results.length,

                // Get initial elements from seed or context
                    elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

                // Prefilter to get matcher input, preserving a map for seed-results synchronization
                    matcherIn = preFilter && ( seed || !selector ) ?
                        condense( elems, preMap, preFilter, context, xml ) :
                        elems,

                    matcherOut = matcher ?
                        // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
                        postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

                            // ...intermediate processing is necessary
                            [] :

                            // ...otherwise use results directly
                            results :
                        matcherIn;

                // Find primary matches
                if ( matcher ) {
                    matcher( matcherIn, matcherOut, context, xml );
                }

                // Apply postFilter
                if ( postFilter ) {
                    temp = condense( matcherOut, postMap );
                    postFilter( temp, [], context, xml );

                    // Un-match failing elements by moving them back to matcherIn
                    i = temp.length;
                    while ( i-- ) {
                        if ( (elem = temp[i]) ) {
                            matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
                        }
                    }
                }

                if ( seed ) {
                    if ( postFinder || preFilter ) {
                        if ( postFinder ) {
                            // Get the final matcherOut by condensing this intermediate into postFinder contexts
                            temp = [];
                            i = matcherOut.length;
                            while ( i-- ) {
                                if ( (elem = matcherOut[i]) ) {
                                    // Restore matcherIn since elem is not yet a final match
                                    temp.push( (matcherIn[i] = elem) );
                                }
                            }
                            postFinder( null, (matcherOut = []), temp, xml );
                        }

                        // Move matched elements from seed to results to keep them synchronized
                        i = matcherOut.length;
                        while ( i-- ) {
                            if ( (elem = matcherOut[i]) &&
                                (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {

                                seed[temp] = !(results[temp] = elem);
                            }
                        }
                    }

                    // Add elements to results, through postFinder if defined
                } else {
                    matcherOut = condense(
                        matcherOut === results ?
                            matcherOut.splice( preexisting, matcherOut.length ) :
                            matcherOut
                    );
                    if ( postFinder ) {
                        postFinder( null, results, matcherOut, xml );
                    } else {
                        push.apply( results, matcherOut );
                    }
                }
            });
        }

        function matcherFromTokens( tokens ) {
            var checkContext, matcher, j,
                len = tokens.length,
                leadingRelative = Expr.relative[ tokens[0].type ],
                implicitRelative = leadingRelative || Expr.relative[" "],
                i = leadingRelative ? 1 : 0,

            // The foundational matcher ensures that elements are reachable from top-level context(s)
                matchContext = addCombinator( function( elem ) {
                    return elem === checkContext;
                }, implicitRelative, true ),
                matchAnyContext = addCombinator( function( elem ) {
                    return indexOf.call( checkContext, elem ) > -1;
                }, implicitRelative, true ),
                matchers = [ function( elem, context, xml ) {
                    return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
                        (checkContext = context).nodeType ?
                            matchContext( elem, context, xml ) :
                            matchAnyContext( elem, context, xml ) );
                } ];

            for ( ; i < len; i++ ) {
                if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
                    matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
                } else {
                    matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

                    // Return special upon seeing a positional matcher
                    if ( matcher[ expando ] ) {
                        // Find the next relative operator (if any) for proper handling
                        j = ++i;
                        for ( ; j < len; j++ ) {
                            if ( Expr.relative[ tokens[j].type ] ) {
                                break;
                            }
                        }
                        return setMatcher(
                            i > 1 && elementMatcher( matchers ),
                            i > 1 && toSelector( tokens.slice( 0, i - 1 ) ).replace( rtrim, "$1" ),
                            matcher,
                            i < j && matcherFromTokens( tokens.slice( i, j ) ),
                            j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
                            j < len && toSelector( tokens )
                        );
                    }
                    matchers.push( matcher );
                }
            }

            return elementMatcher( matchers );
        }

        function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
            // A counter to specify which element is currently being matched
            var matcherCachedRuns = 0,
                bySet = setMatchers.length > 0,
                byElement = elementMatchers.length > 0,
                superMatcher = function( seed, context, xml, results, expandContext ) {
                    var elem, j, matcher,
                        setMatched = [],
                        matchedCount = 0,
                        i = "0",
                        unmatched = seed && [],
                        outermost = expandContext != null,
                        contextBackup = outermostContext,
                    // We must always have either seed elements or context
                        elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
                    // Use integer dirruns iff this is the outermost matcher
                        dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);

                    if ( outermost ) {
                        outermostContext = context !== document && context;
                        cachedruns = matcherCachedRuns;
                    }

                    // Add elements passing elementMatchers directly to results
                    // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
                    for ( ; (elem = elems[i]) != null; i++ ) {
                        if ( byElement && elem ) {
                            j = 0;
                            while ( (matcher = elementMatchers[j++]) ) {
                                if ( matcher( elem, context, xml ) ) {
                                    results.push( elem );
                                    break;
                                }
                            }
                            if ( outermost ) {
                                dirruns = dirrunsUnique;
                                cachedruns = ++matcherCachedRuns;
                            }
                        }

                        // Track unmatched elements for set filters
                        if ( bySet ) {
                            // They will have gone through all possible matchers
                            if ( (elem = !matcher && elem) ) {
                                matchedCount--;
                            }

                            // Lengthen the array for every element, matched or not
                            if ( seed ) {
                                unmatched.push( elem );
                            }
                        }
                    }

                    // Apply set filters to unmatched elements
                    matchedCount += i;
                    if ( bySet && i !== matchedCount ) {
                        j = 0;
                        while ( (matcher = setMatchers[j++]) ) {
                            matcher( unmatched, setMatched, context, xml );
                        }

                        if ( seed ) {
                            // Reintegrate element matches to eliminate the need for sorting
                            if ( matchedCount > 0 ) {
                                while ( i-- ) {
                                    if ( !(unmatched[i] || setMatched[i]) ) {
                                        setMatched[i] = pop.call( results );
                                    }
                                }
                            }

                            // Discard index placeholder values to get only actual matches
                            setMatched = condense( setMatched );
                        }

                        // Add matches to results
                        push.apply( results, setMatched );

                        // Seedless set matches succeeding multiple successful matchers stipulate sorting
                        if ( outermost && !seed && setMatched.length > 0 &&
                            ( matchedCount + setMatchers.length ) > 1 ) {

                            Sizzle.uniqueSort( results );
                        }
                    }

                    // Override manipulation of globals by nested matchers
                    if ( outermost ) {
                        dirruns = dirrunsUnique;
                        outermostContext = contextBackup;
                    }

                    return unmatched;
                };

            return bySet ?
                markFunction( superMatcher ) :
                superMatcher;
        }

        compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
            var i,
                setMatchers = [],
                elementMatchers = [],
                cached = compilerCache[ selector + " " ];

            if ( !cached ) {
                // Generate a function of recursive functions that can be used to check each element
                if ( !group ) {
                    group = tokenize( selector );
                }
                i = group.length;
                while ( i-- ) {
                    cached = matcherFromTokens( group[i] );
                    if ( cached[ expando ] ) {
                        setMatchers.push( cached );
                    } else {
                        elementMatchers.push( cached );
                    }
                }

                // Cache the compiled function
                cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
            }
            return cached;
        };

        function multipleContexts( selector, contexts, results ) {
            var i = 0,
                len = contexts.length;
            for ( ; i < len; i++ ) {
                Sizzle( selector, contexts[i], results );
            }
            return results;
        }

        function select( selector, context, results, seed ) {
            var i, tokens, token, type, find,
                match = tokenize( selector );

            if ( !seed ) {
                // Try to minimize operations if there is only one group
                if ( match.length === 1 ) {

                    // Take a shortcut and set the context if the root selector is an ID
                    tokens = match[0] = match[0].slice( 0 );
                    if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
                        context.nodeType === 9 && !documentIsXML &&
                        Expr.relative[ tokens[1].type ] ) {

                        context = Expr.find["ID"]( token.matches[0].replace( runescape, funescape ), context )[0];
                        if ( !context ) {
                            return results;
                        }

                        selector = selector.slice( tokens.shift().value.length );
                    }

                    // Fetch a seed set for right-to-left matching
                    i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
                    while ( i-- ) {
                        token = tokens[i];

                        // Abort if we hit a combinator
                        if ( Expr.relative[ (type = token.type) ] ) {
                            break;
                        }
                        if ( (find = Expr.find[ type ]) ) {
                            // Search, expanding context for leading sibling combinators
                            if ( (seed = find(
                                token.matches[0].replace( runescape, funescape ),
                                rsibling.test( tokens[0].type ) && context.parentNode || context
                            )) ) {

                                // If seed is empty or no tokens remain, we can return early
                                tokens.splice( i, 1 );
                                selector = seed.length && toSelector( tokens );
                                if ( !selector ) {
                                    push.apply( results, slice.call( seed, 0 ) );
                                    return results;
                                }

                                break;
                            }
                        }
                    }
                }
            }

            // Compile and execute a filtering function
            // Provide `match` to avoid retokenization if we modified the selector above
            compile( selector, match )(
                seed,
                context,
                documentIsXML,
                results,
                rsibling.test( selector )
            );
            return results;
        }

// Deprecated
        Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Easy API for creating new setFilters
        function setFilters() {}
        Expr.filters = setFilters.prototype = Expr.pseudos;
        Expr.setFilters = new setFilters();

// Initialize with the default document
        setDocument();

// Override sizzle attribute retrieval
        Sizzle.attr = jQuery.attr;
        jQuery.find = Sizzle;
        jQuery.expr = Sizzle.selectors;
        jQuery.expr[":"] = jQuery.expr.pseudos;
        jQuery.unique = Sizzle.uniqueSort;
        jQuery.text = Sizzle.getText;
        jQuery.isXMLDoc = Sizzle.isXML;
        jQuery.contains = Sizzle.contains;


    })( window );
    var runtil = /Until$/,
        rparentsprev = /^(?:parents|prev(?:Until|All))/,
        isSimple = /^.[^:#\[\.,]*$/,
        rneedsContext = jQuery.expr.match.needsContext,
    // methods guaranteed to produce a unique set when starting from a unique set
        guaranteedUnique = {
            children: true,
            contents: true,
            next: true,
            prev: true
        };

    jQuery.fn.extend({
        find: function( selector ) {
            var i, ret, self,
                len = this.length;

            if ( typeof selector !== "string" ) {
                self = this;
                return this.pushStack( jQuery( selector ).filter(function() {
                    for ( i = 0; i < len; i++ ) {
                        if ( jQuery.contains( self[ i ], this ) ) {
                            return true;
                        }
                    }
                }) );
            }

            ret = [];
            for ( i = 0; i < len; i++ ) {
                jQuery.find( selector, this[ i ], ret );
            }

            // Needed because $( selector, context ) becomes $( context ).find( selector )
            ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
            ret.selector = ( this.selector ? this.selector + " " : "" ) + selector;
            return ret;
        },

        has: function( target ) {
            var i,
                targets = jQuery( target, this ),
                len = targets.length;

            return this.filter(function() {
                for ( i = 0; i < len; i++ ) {
                    if ( jQuery.contains( this, targets[i] ) ) {
                        return true;
                    }
                }
            });
        },

        not: function( selector ) {
            return this.pushStack( winnow(this, selector, false) );
        },

        filter: function( selector ) {
            return this.pushStack( winnow(this, selector, true) );
        },

        is: function( selector ) {
            return !!selector && (
                typeof selector === "string" ?
                    // If this is a positional/relative selector, check membership in the returned set
                    // so $("p:first").is("p:last") won't return true for a doc with two "p".
                    rneedsContext.test( selector ) ?
                        jQuery( selector, this.context ).index( this[0] ) >= 0 :
                        jQuery.filter( selector, this ).length > 0 :
                    this.filter( selector ).length > 0 );
        },

        closest: function( selectors, context ) {
            var cur,
                i = 0,
                l = this.length,
                ret = [],
                pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
                    jQuery( selectors, context || this.context ) :
                    0;

            for ( ; i < l; i++ ) {
                cur = this[i];

                while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
                    if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
                        ret.push( cur );
                        break;
                    }
                    cur = cur.parentNode;
                }
            }

            return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
        },

        // Determine the position of an element within
        // the matched set of elements
        index: function( elem ) {

            // No argument, return index in parent
            if ( !elem ) {
                return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
            }

            // index in selector
            if ( typeof elem === "string" ) {
                return jQuery.inArray( this[0], jQuery( elem ) );
            }

            // Locate the position of the desired element
            return jQuery.inArray(
                // If it receives a jQuery object, the first element is used
                elem.jquery ? elem[0] : elem, this );
        },

        add: function( selector, context ) {
            var set = typeof selector === "string" ?
                    jQuery( selector, context ) :
                    jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
                all = jQuery.merge( this.get(), set );

            return this.pushStack( jQuery.unique(all) );
        },

        addBack: function( selector ) {
            return this.add( selector == null ?
                this.prevObject : this.prevObject.filter(selector)
            );
        }
    });

    jQuery.fn.andSelf = jQuery.fn.addBack;

    function sibling( cur, dir ) {
        do {
            cur = cur[ dir ];
        } while ( cur && cur.nodeType !== 1 );

        return cur;
    }

    jQuery.each({
        parent: function( elem ) {
            var parent = elem.parentNode;
            return parent && parent.nodeType !== 11 ? parent : null;
        },
        parents: function( elem ) {
            return jQuery.dir( elem, "parentNode" );
        },
        parentsUntil: function( elem, i, until ) {
            return jQuery.dir( elem, "parentNode", until );
        },
        next: function( elem ) {
            return sibling( elem, "nextSibling" );
        },
        prev: function( elem ) {
            return sibling( elem, "previousSibling" );
        },
        nextAll: function( elem ) {
            return jQuery.dir( elem, "nextSibling" );
        },
        prevAll: function( elem ) {
            return jQuery.dir( elem, "previousSibling" );
        },
        nextUntil: function( elem, i, until ) {
            return jQuery.dir( elem, "nextSibling", until );
        },
        prevUntil: function( elem, i, until ) {
            return jQuery.dir( elem, "previousSibling", until );
        },
        siblings: function( elem ) {
            return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
        },
        children: function( elem ) {
            return jQuery.sibling( elem.firstChild );
        },
        contents: function( elem ) {
            return jQuery.nodeName( elem, "iframe" ) ?
                elem.contentDocument || elem.contentWindow.document :
                jQuery.merge( [], elem.childNodes );
        }
    }, function( name, fn ) {
        jQuery.fn[ name ] = function( until, selector ) {
            var ret = jQuery.map( this, fn, until );

            if ( !runtil.test( name ) ) {
                selector = until;
            }

            if ( selector && typeof selector === "string" ) {
                ret = jQuery.filter( selector, ret );
            }

            ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;

            if ( this.length > 1 && rparentsprev.test( name ) ) {
                ret = ret.reverse();
            }

            return this.pushStack( ret );
        };
    });

    jQuery.extend({
        filter: function( expr, elems, not ) {
            if ( not ) {
                expr = ":not(" + expr + ")";
            }

            return elems.length === 1 ?
                jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
                jQuery.find.matches(expr, elems);
        },

        dir: function( elem, dir, until ) {
            var matched = [],
                cur = elem[ dir ];

            while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
                if ( cur.nodeType === 1 ) {
                    matched.push( cur );
                }
                cur = cur[dir];
            }
            return matched;
        },

        sibling: function( n, elem ) {
            var r = [];

            for ( ; n; n = n.nextSibling ) {
                if ( n.nodeType === 1 && n !== elem ) {
                    r.push( n );
                }
            }

            return r;
        }
    });

// Implement the identical functionality for filter and not
    function winnow( elements, qualifier, keep ) {

        // Can't pass null or undefined to indexOf in Firefox 4
        // Set to 0 to skip string check
        qualifier = qualifier || 0;

        if ( jQuery.isFunction( qualifier ) ) {
            return jQuery.grep(elements, function( elem, i ) {
                var retVal = !!qualifier.call( elem, i, elem );
                return retVal === keep;
            });

        } else if ( qualifier.nodeType ) {
            return jQuery.grep(elements, function( elem ) {
                return ( elem === qualifier ) === keep;
            });

        } else if ( typeof qualifier === "string" ) {
            var filtered = jQuery.grep(elements, function( elem ) {
                return elem.nodeType === 1;
            });

            if ( isSimple.test( qualifier ) ) {
                return jQuery.filter(qualifier, filtered, !keep);
            } else {
                qualifier = jQuery.filter( qualifier, filtered );
            }
        }

        return jQuery.grep(elements, function( elem ) {
            return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
        });
    }
    function createSafeFragment( document ) {
        var list = nodeNames.split( "|" ),
            safeFrag = document.createDocumentFragment();

        if ( safeFrag.createElement ) {
            while ( list.length ) {
                safeFrag.createElement(
                    list.pop()
                );
            }
        }
        return safeFrag;
    }

    var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
            "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
        rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
        rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
        rleadingWhitespace = /^\s+/,
        rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
        rtagName = /<([\w:]+)/,
        rtbody = /<tbody/i,
        rhtml = /<|&#?\w+;/,
        rnoInnerhtml = /<(?:script|style|link)/i,
        manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
    // checked="checked" or checked
        rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
        rscriptType = /^$|\/(?:java|ecma)script/i,
        rscriptTypeMasked = /^true\/(.*)/,
        rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,

    // We have to close these tags to support XHTML (#13200)
        wrapMap = {
            option: [ 1, "<select multiple='multiple'>", "</select>" ],
            legend: [ 1, "<fieldset>", "</fieldset>" ],
            area: [ 1, "<map>", "</map>" ],
            param: [ 1, "<object>", "</object>" ],
            thead: [ 1, "<table>", "</table>" ],
            tr: [ 2, "<table><tbody>", "</tbody></table>" ],
            col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
            td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],

            // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
            // unless wrapped in a div with non-breaking characters in front of it.
            _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
        },
        safeFragment = createSafeFragment( document ),
        fragmentDiv = safeFragment.appendChild( document.createElement("div") );

    wrapMap.optgroup = wrapMap.option;
    wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
    wrapMap.th = wrapMap.td;

    jQuery.fn.extend({
        text: function( value ) {
            return jQuery.access( this, function( value ) {
                return value === undefined ?
                    jQuery.text( this ) :
                    this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
            }, null, value, arguments.length );
        },

        wrapAll: function( html ) {
            if ( jQuery.isFunction( html ) ) {
                return this.each(function(i) {
                    jQuery(this).wrapAll( html.call(this, i) );
                });
            }

            if ( this[0] ) {
                // The elements to wrap the target around
                var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);

                if ( this[0].parentNode ) {
                    wrap.insertBefore( this[0] );
                }

                wrap.map(function() {
                    var elem = this;

                    while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
                        elem = elem.firstChild;
                    }

                    return elem;
                }).append( this );
            }

            return this;
        },

        wrapInner: function( html ) {
            if ( jQuery.isFunction( html ) ) {
                return this.each(function(i) {
                    jQuery(this).wrapInner( html.call(this, i) );
                });
            }

            return this.each(function() {
                var self = jQuery( this ),
                    contents = self.contents();

                if ( contents.length ) {
                    contents.wrapAll( html );

                } else {
                    self.append( html );
                }
            });
        },

        wrap: function( html ) {
            var isFunction = jQuery.isFunction( html );

            return this.each(function(i) {
                jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
            });
        },

        unwrap: function() {
            return this.parent().each(function() {
                if ( !jQuery.nodeName( this, "body" ) ) {
                    jQuery( this ).replaceWith( this.childNodes );
                }
            }).end();
        },

        append: function() {
            return this.domManip(arguments, true, function( elem ) {
                if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
                    this.appendChild( elem );
                }
            });
        },

        prepend: function() {
            return this.domManip(arguments, true, function( elem ) {
                if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
                    this.insertBefore( elem, this.firstChild );
                }
            });
        },

        before: function() {
            return this.domManip( arguments, false, function( elem ) {
                if ( this.parentNode ) {
                    this.parentNode.insertBefore( elem, this );
                }
            });
        },

        after: function() {
            return this.domManip( arguments, false, function( elem ) {
                if ( this.parentNode ) {
                    this.parentNode.insertBefore( elem, this.nextSibling );
                }
            });
        },

        // keepData is for internal use only--do not document
        remove: function( selector, keepData ) {
            var elem,
                i = 0;

            for ( ; (elem = this[i]) != null; i++ ) {
                if ( !selector || jQuery.filter( selector, [ elem ] ).length > 0 ) {
                    if ( !keepData && elem.nodeType === 1 ) {
                        jQuery.cleanData( getAll( elem ) );
                    }

                    if ( elem.parentNode ) {
                        if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
                            setGlobalEval( getAll( elem, "script" ) );
                        }
                        elem.parentNode.removeChild( elem );
                    }
                }
            }

            return this;
        },

        empty: function() {
            var elem,
                i = 0;

            for ( ; (elem = this[i]) != null; i++ ) {
                // Remove element nodes and prevent memory leaks
                if ( elem.nodeType === 1 ) {
                    jQuery.cleanData( getAll( elem, false ) );
                }

                // Remove any remaining nodes
                while ( elem.firstChild ) {
                    elem.removeChild( elem.firstChild );
                }

                // If this is a select, ensure that it displays empty (#12336)
                // Support: IE<9
                if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
                    elem.options.length = 0;
                }
            }

            return this;
        },

        clone: function( dataAndEvents, deepDataAndEvents ) {
            dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
            deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

            return this.map( function () {
                return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
            });
        },

        html: function( value ) {
            return jQuery.access( this, function( value ) {
                var elem = this[0] || {},
                    i = 0,
                    l = this.length;

                if ( value === undefined ) {
                    return elem.nodeType === 1 ?
                        elem.innerHTML.replace( rinlinejQuery, "" ) :
                        undefined;
                }

                // See if we can take a shortcut and just use innerHTML
                if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
                    ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
                    ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
                    !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {

                    value = value.replace( rxhtmlTag, "<$1></$2>" );

                    try {
                        for (; i < l; i++ ) {
                            // Remove element nodes and prevent memory leaks
                            elem = this[i] || {};
                            if ( elem.nodeType === 1 ) {
                                jQuery.cleanData( getAll( elem, false ) );
                                elem.innerHTML = value;
                            }
                        }

                        elem = 0;

                        // If using innerHTML throws an exception, use the fallback method
                    } catch(e) {}
                }

                if ( elem ) {
                    this.empty().append( value );
                }
            }, null, value, arguments.length );
        },

        replaceWith: function( value ) {
            var isFunc = jQuery.isFunction( value );

            // Make sure that the elements are removed from the DOM before they are inserted
            // this can help fix replacing a parent with child elements
            if ( !isFunc && typeof value !== "string" ) {
                value = jQuery( value ).not( this ).detach();
            }

            return this.domManip( [ value ], true, function( elem ) {
                var next = this.nextSibling,
                    parent = this.parentNode;

                if ( parent ) {
                    jQuery( this ).remove();
                    parent.insertBefore( elem, next );
                }
            });
        },

        detach: function( selector ) {
            return this.remove( selector, true );
        },

        domManip: function( args, table, callback ) {

            // Flatten any nested arrays
            args = core_concat.apply( [], args );

            var first, node, hasScripts,
                scripts, doc, fragment,
                i = 0,
                l = this.length,
                set = this,
                iNoClone = l - 1,
                value = args[0],
                isFunction = jQuery.isFunction( value );

            // We can't cloneNode fragments that contain checked, in WebKit
            if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
                return this.each(function( index ) {
                    var self = set.eq( index );
                    if ( isFunction ) {
                        args[0] = value.call( this, index, table ? self.html() : undefined );
                    }
                    self.domManip( args, table, callback );
                });
            }

            if ( l ) {
                fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
                first = fragment.firstChild;

                if ( fragment.childNodes.length === 1 ) {
                    fragment = first;
                }

                if ( first ) {
                    table = table && jQuery.nodeName( first, "tr" );
                    scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
                    hasScripts = scripts.length;

                    // Use the original fragment for the last item instead of the first because it can end up
                    // being emptied incorrectly in certain situations (#8070).
                    for ( ; i < l; i++ ) {
                        node = fragment;

                        if ( i !== iNoClone ) {
                            node = jQuery.clone( node, true, true );

                            // Keep references to cloned scripts for later restoration
                            if ( hasScripts ) {
                                jQuery.merge( scripts, getAll( node, "script" ) );
                            }
                        }

                        callback.call(
                            table && jQuery.nodeName( this[i], "table" ) ?
                                findOrAppend( this[i], "tbody" ) :
                                this[i],
                            node,
                            i
                        );
                    }

                    if ( hasScripts ) {
                        doc = scripts[ scripts.length - 1 ].ownerDocument;

                        // Reenable scripts
                        jQuery.map( scripts, restoreScript );

                        // Evaluate executable scripts on first document insertion
                        for ( i = 0; i < hasScripts; i++ ) {
                            node = scripts[ i ];
                            if ( rscriptType.test( node.type || "" ) &&
                                !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {

                                if ( node.src ) {
                                    // Hope ajax is available...
                                    jQuery.ajax({
                                        url: node.src,
                                        type: "GET",
                                        dataType: "script",
                                        async: false,
                                        global: false,
                                        "throws": true
                                    });
                                } else {
                                    jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
                                }
                            }
                        }
                    }

                    // Fix #11809: Avoid leaking memory
                    fragment = first = null;
                }
            }

            return this;
        }
    });

    function findOrAppend( elem, tag ) {
        return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
    }

// Replace/restore the type attribute of script elements for safe DOM manipulation
    function disableScript( elem ) {
        var attr = elem.getAttributeNode("type");
        elem.type = ( attr && attr.specified ) + "/" + elem.type;
        return elem;
    }
    function restoreScript( elem ) {
        var match = rscriptTypeMasked.exec( elem.type );
        if ( match ) {
            elem.type = match[1];
        } else {
            elem.removeAttribute("type");
        }
        return elem;
    }

// Mark scripts as having already been evaluated
    function setGlobalEval( elems, refElements ) {
        var elem,
            i = 0;
        for ( ; (elem = elems[i]) != null; i++ ) {
            jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
        }
    }

    function cloneCopyEvent( src, dest ) {

        if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
            return;
        }

        var type, i, l,
            oldData = jQuery._data( src ),
            curData = jQuery._data( dest, oldData ),
            events = oldData.events;

        if ( events ) {
            delete curData.handle;
            curData.events = {};

            for ( type in events ) {
                for ( i = 0, l = events[ type ].length; i < l; i++ ) {
                    jQuery.event.add( dest, type, events[ type ][ i ] );
                }
            }
        }

        // make the cloned public data object a copy from the original
        if ( curData.data ) {
            curData.data = jQuery.extend( {}, curData.data );
        }
    }

    function fixCloneNodeIssues( src, dest ) {
        var nodeName, e, data;

        // We do not need to do anything for non-Elements
        if ( dest.nodeType !== 1 ) {
            return;
        }

        nodeName = dest.nodeName.toLowerCase();

        // IE6-8 copies events bound via attachEvent when using cloneNode.
        if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
            data = jQuery._data( dest );

            for ( e in data.events ) {
                jQuery.removeEvent( dest, e, data.handle );
            }

            // Event data gets referenced instead of copied if the expando gets copied too
            dest.removeAttribute( jQuery.expando );
        }

        // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
        if ( nodeName === "script" && dest.text !== src.text ) {
            disableScript( dest ).text = src.text;
            restoreScript( dest );

            // IE6-10 improperly clones children of object elements using classid.
            // IE10 throws NoModificationAllowedError if parent is null, #12132.
        } else if ( nodeName === "object" ) {
            if ( dest.parentNode ) {
                dest.outerHTML = src.outerHTML;
            }

            // This path appears unavoidable for IE9. When cloning an object
            // element in IE9, the outerHTML strategy above is not sufficient.
            // If the src has innerHTML and the destination does not,
            // copy the src.innerHTML into the dest.innerHTML. #10324
            if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
                dest.innerHTML = src.innerHTML;
            }

        } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
            // IE6-8 fails to persist the checked state of a cloned checkbox
            // or radio button. Worse, IE6-7 fail to give the cloned element
            // a checked appearance if the defaultChecked value isn't also set

            dest.defaultChecked = dest.checked = src.checked;

            // IE6-7 get confused and end up setting the value of a cloned
            // checkbox/radio button to an empty string instead of "on"
            if ( dest.value !== src.value ) {
                dest.value = src.value;
            }

            // IE6-8 fails to return the selected option to the default selected
            // state when cloning options
        } else if ( nodeName === "option" ) {
            dest.defaultSelected = dest.selected = src.defaultSelected;

            // IE6-8 fails to set the defaultValue to the correct value when
            // cloning other types of input fields
        } else if ( nodeName === "input" || nodeName === "textarea" ) {
            dest.defaultValue = src.defaultValue;
        }
    }

    jQuery.each({
        appendTo: "append",
        prependTo: "prepend",
        insertBefore: "before",
        insertAfter: "after",
        replaceAll: "replaceWith"
    }, function( name, original ) {
        jQuery.fn[ name ] = function( selector ) {
            var elems,
                i = 0,
                ret = [],
                insert = jQuery( selector ),
                last = insert.length - 1;

            for ( ; i <= last; i++ ) {
                elems = i === last ? this : this.clone(true);
                jQuery( insert[i] )[ original ]( elems );

                // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
                core_push.apply( ret, elems.get() );
            }

            return this.pushStack( ret );
        };
    });

    function getAll( context, tag ) {
        var elems, elem,
            i = 0,
            found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
                typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
                    undefined;

        if ( !found ) {
            for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
                if ( !tag || jQuery.nodeName( elem, tag ) ) {
                    found.push( elem );
                } else {
                    jQuery.merge( found, getAll( elem, tag ) );
                }
            }
        }

        return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
            jQuery.merge( [ context ], found ) :
            found;
    }

// Used in buildFragment, fixes the defaultChecked property
    function fixDefaultChecked( elem ) {
        if ( manipulation_rcheckableType.test( elem.type ) ) {
            elem.defaultChecked = elem.checked;
        }
    }

    jQuery.extend({
        clone: function( elem, dataAndEvents, deepDataAndEvents ) {
            var destElements, node, clone, i, srcElements,
                inPage = jQuery.contains( elem.ownerDocument, elem );

            if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
                clone = elem.cloneNode( true );

                // IE<=8 does not properly clone detached, unknown element nodes
            } else {
                fragmentDiv.innerHTML = elem.outerHTML;
                fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
            }

            if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
                (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {

                // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
                destElements = getAll( clone );
                srcElements = getAll( elem );

                // Fix all IE cloning issues
                for ( i = 0; (node = srcElements[i]) != null; ++i ) {
                    // Ensure that the destination node is not null; Fixes #9587
                    if ( destElements[i] ) {
                        fixCloneNodeIssues( node, destElements[i] );
                    }
                }
            }

            // Copy the events from the original to the clone
            if ( dataAndEvents ) {
                if ( deepDataAndEvents ) {
                    srcElements = srcElements || getAll( elem );
                    destElements = destElements || getAll( clone );

                    for ( i = 0; (node = srcElements[i]) != null; i++ ) {
                        cloneCopyEvent( node, destElements[i] );
                    }
                } else {
                    cloneCopyEvent( elem, clone );
                }
            }

            // Preserve script evaluation history
            destElements = getAll( clone, "script" );
            if ( destElements.length > 0 ) {
                setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
            }

            destElements = srcElements = node = null;

            // Return the cloned set
            return clone;
        },

        buildFragment: function( elems, context, scripts, selection ) {
            var j, elem, contains,
                tmp, tag, tbody, wrap,
                l = elems.length,

            // Ensure a safe fragment
                safe = createSafeFragment( context ),

                nodes = [],
                i = 0;

            for ( ; i < l; i++ ) {
                elem = elems[ i ];

                if ( elem || elem === 0 ) {

                    // Add nodes directly
                    if ( jQuery.type( elem ) === "object" ) {
                        jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );

                        // Convert non-html into a text node
                    } else if ( !rhtml.test( elem ) ) {
                        nodes.push( context.createTextNode( elem ) );

                        // Convert html into DOM nodes
                    } else {
                        tmp = tmp || safe.appendChild( context.createElement("div") );

                        // Deserialize a standard representation
                        tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
                        wrap = wrapMap[ tag ] || wrapMap._default;

                        tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];

                        // Descend through wrappers to the right content
                        j = wrap[0];
                        while ( j-- ) {
                            tmp = tmp.lastChild;
                        }

                        // Manually add leading whitespace removed by IE
                        if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
                            nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
                        }

                        // Remove IE's autoinserted <tbody> from table fragments
                        if ( !jQuery.support.tbody ) {

                            // String was a <table>, *may* have spurious <tbody>
                            elem = tag === "table" && !rtbody.test( elem ) ?
                                tmp.firstChild :

                                // String was a bare <thead> or <tfoot>
                                wrap[1] === "<table>" && !rtbody.test( elem ) ?
                                    tmp :
                                    0;

                            j = elem && elem.childNodes.length;
                            while ( j-- ) {
                                if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
                                    elem.removeChild( tbody );
                                }
                            }
                        }

                        jQuery.merge( nodes, tmp.childNodes );

                        // Fix #12392 for WebKit and IE > 9
                        tmp.textContent = "";

                        // Fix #12392 for oldIE
                        while ( tmp.firstChild ) {
                            tmp.removeChild( tmp.firstChild );
                        }

                        // Remember the top-level container for proper cleanup
                        tmp = safe.lastChild;
                    }
                }
            }

            // Fix #11356: Clear elements from fragment
            if ( tmp ) {
                safe.removeChild( tmp );
            }

            // Reset defaultChecked for any radios and checkboxes
            // about to be appended to the DOM in IE 6/7 (#8060)
            if ( !jQuery.support.appendChecked ) {
                jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
            }

            i = 0;
            while ( (elem = nodes[ i++ ]) ) {

                // #4087 - If origin and destination elements are the same, and this is
                // that element, do not do anything
                if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
                    continue;
                }

                contains = jQuery.contains( elem.ownerDocument, elem );

                // Append to fragment
                tmp = getAll( safe.appendChild( elem ), "script" );

                // Preserve script evaluation history
                if ( contains ) {
                    setGlobalEval( tmp );
                }

                // Capture executables
                if ( scripts ) {
                    j = 0;
                    while ( (elem = tmp[ j++ ]) ) {
                        if ( rscriptType.test( elem.type || "" ) ) {
                            scripts.push( elem );
                        }
                    }
                }
            }

            tmp = null;

            return safe;
        },

        cleanData: function( elems, /* internal */ acceptData ) {
            var elem, type, id, data,
                i = 0,
                internalKey = jQuery.expando,
                cache = jQuery.cache,
                deleteExpando = jQuery.support.deleteExpando,
                special = jQuery.event.special;

            for ( ; (elem = elems[i]) != null; i++ ) {

                if ( acceptData || jQuery.acceptData( elem ) ) {

                    id = elem[ internalKey ];
                    data = id && cache[ id ];

                    if ( data ) {
                        if ( data.events ) {
                            for ( type in data.events ) {
                                if ( special[ type ] ) {
                                    jQuery.event.remove( elem, type );

                                    // This is a shortcut to avoid jQuery.event.remove's overhead
                                } else {
                                    jQuery.removeEvent( elem, type, data.handle );
                                }
                            }
                        }

                        // Remove cache only if it was not already removed by jQuery.event.remove
                        if ( cache[ id ] ) {

                            delete cache[ id ];

                            // IE does not allow us to delete expando properties from nodes,
                            // nor does it have a removeAttribute function on Document nodes;
                            // we must handle all of these cases
                            if ( deleteExpando ) {
                                delete elem[ internalKey ];

                            } else if ( typeof elem.removeAttribute !== core_strundefined ) {
                                elem.removeAttribute( internalKey );

                            } else {
                                elem[ internalKey ] = null;
                            }

                            core_deletedIds.push( id );
                        }
                    }
                }
            }
        }
    });
    var iframe, getStyles, curCSS,
        ralpha = /alpha\([^)]*\)/i,
        ropacity = /opacity\s*=\s*([^)]*)/,
        rposition = /^(top|right|bottom|left)$/,
    // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
    // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
        rdisplayswap = /^(none|table(?!-c[ea]).+)/,
        rmargin = /^margin/,
        rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
        rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
        rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
        elemdisplay = { BODY: "block" },

        cssShow = { position: "absolute", visibility: "hidden", display: "block" },
        cssNormalTransform = {
            letterSpacing: 0,
            fontWeight: 400
        },

        cssExpand = [ "Top", "Right", "Bottom", "Left" ],
        cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];

// return a css property mapped to a potentially vendor prefixed property
    function vendorPropName( style, name ) {

        // shortcut for names that are not vendor prefixed
        if ( name in style ) {
            return name;
        }

        // check for vendor prefixed names
        var capName = name.charAt(0).toUpperCase() + name.slice(1),
            origName = name,
            i = cssPrefixes.length;

        while ( i-- ) {
            name = cssPrefixes[ i ] + capName;
            if ( name in style ) {
                return name;
            }
        }

        return origName;
    }

    function isHidden( elem, el ) {
        // isHidden might be called from jQuery#filter function;
        // in that case, element will be second argument
        elem = el || elem;
        return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
    }

    function showHide( elements, show ) {
        var display, elem, hidden,
            values = [],
            index = 0,
            length = elements.length;

        for ( ; index < length; index++ ) {
            elem = elements[ index ];
            if ( !elem.style ) {
                continue;
            }

            values[ index ] = jQuery._data( elem, "olddisplay" );
            display = elem.style.display;
            if ( show ) {
                // Reset the inline display of this element to learn if it is
                // being hidden by cascaded rules or not
                if ( !values[ index ] && display === "none" ) {
                    elem.style.display = "";
                }

                // Set elements which have been overridden with display: none
                // in a stylesheet to whatever the default browser style is
                // for such an element
                if ( elem.style.display === "" && isHidden( elem ) ) {
                    values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
                }
            } else {

                if ( !values[ index ] ) {
                    hidden = isHidden( elem );

                    if ( display && display !== "none" || !hidden ) {
                        jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
                    }
                }
            }
        }

        // Set the display of most of the elements in a second loop
        // to avoid the constant reflow
        for ( index = 0; index < length; index++ ) {
            elem = elements[ index ];
            if ( !elem.style ) {
                continue;
            }
            if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
                elem.style.display = show ? values[ index ] || "" : "none";
            }
        }

        return elements;
    }

    jQuery.fn.extend({
        css: function( name, value ) {
            return jQuery.access( this, function( elem, name, value ) {
                var len, styles,
                    map = {},
                    i = 0;

                if ( jQuery.isArray( name ) ) {
                    styles = getStyles( elem );
                    len = name.length;

                    for ( ; i < len; i++ ) {
                        map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
                    }

                    return map;
                }

                return value !== undefined ?
                    jQuery.style( elem, name, value ) :
                    jQuery.css( elem, name );
            }, name, value, arguments.length > 1 );
        },
        show: function() {
            return showHide( this, true );
        },
        hide: function() {
            return showHide( this );
        },
        toggle: function( state ) {
            var bool = typeof state === "boolean";

            return this.each(function() {
                if ( bool ? state : isHidden( this ) ) {
                    jQuery( this ).show();
                } else {
                    jQuery( this ).hide();
                }
            });
        }
    });

    jQuery.extend({
        // Add in style property hooks for overriding the default
        // behavior of getting and setting a style property
        cssHooks: {
            opacity: {
                get: function( elem, computed ) {
                    if ( computed ) {
                        // We should always get a number back from opacity
                        var ret = curCSS( elem, "opacity" );
                        return ret === "" ? "1" : ret;
                    }
                }
            }
        },

        // Exclude the following css properties to add px
        cssNumber: {
            "columnCount": true,
            "fillOpacity": true,
            "fontWeight": true,
            "lineHeight": true,
            "opacity": true,
            "orphans": true,
            "widows": true,
            "zIndex": true,
            "zoom": true
        },

        // Add in properties whose names you wish to fix before
        // setting or getting the value
        cssProps: {
            // normalize float css property
            "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
        },

        // Get and set the style property on a DOM Node
        style: function( elem, name, value, extra ) {
            // Don't set styles on text and comment nodes
            if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
                return;
            }

            // Make sure that we're working with the right name
            var ret, type, hooks,
                origName = jQuery.camelCase( name ),
                style = elem.style;

            name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );

            // gets hook for the prefixed version
            // followed by the unprefixed version
            hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

            // Check if we're setting a value
            if ( value !== undefined ) {
                type = typeof value;

                // convert relative number strings (+= or -=) to relative numbers. #7345
                if ( type === "string" && (ret = rrelNum.exec( value )) ) {
                    value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
                    // Fixes bug #9237
                    type = "number";
                }

                // Make sure that NaN and null values aren't set. See: #7116
                if ( value == null || type === "number" && isNaN( value ) ) {
                    return;
                }

                // If a number was passed in, add 'px' to the (except for certain CSS properties)
                if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
                    value += "px";
                }

                // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
                // but it would mean to define eight (for every problematic property) identical functions
                if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
                    style[ name ] = "inherit";
                }

                // If a hook was provided, use that value, otherwise just set the specified value
                if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {

                    // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
                    // Fixes bug #5509
                    try {
                        style[ name ] = value;
                    } catch(e) {}
                }

            } else {
                // If a hook was provided get the non-computed value from there
                if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
                    return ret;
                }

                // Otherwise just get the value from the style object
                return style[ name ];
            }
        },

        css: function( elem, name, extra, styles ) {
            var num, val, hooks,
                origName = jQuery.camelCase( name );

            // Make sure that we're working with the right name
            name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );

            // gets hook for the prefixed version
            // followed by the unprefixed version
            hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

            // If a hook was provided get the computed value from there
            if ( hooks && "get" in hooks ) {
                val = hooks.get( elem, true, extra );
            }

            // Otherwise, if a way to get the computed value exists, use that
            if ( val === undefined ) {
                val = curCSS( elem, name, styles );
            }

            //convert "normal" to computed value
            if ( val === "normal" && name in cssNormalTransform ) {
                val = cssNormalTransform[ name ];
            }

            // Return, converting to number if forced or a qualifier was provided and val looks numeric
            if ( extra === "" || extra ) {
                num = parseFloat( val );
                return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
            }
            return val;
        },

        // A method for quickly swapping in/out CSS properties to get correct calculations
        swap: function( elem, options, callback, args ) {
            var ret, name,
                old = {};

            // Remember the old values, and insert the new ones
            for ( name in options ) {
                old[ name ] = elem.style[ name ];
                elem.style[ name ] = options[ name ];
            }

            ret = callback.apply( elem, args || [] );

            // Revert the old values
            for ( name in options ) {
                elem.style[ name ] = old[ name ];
            }

            return ret;
        }
    });

// NOTE: we've included the "window" in window.getComputedStyle
// because jsdom on node.js will break without it.
    if ( window.getComputedStyle ) {
        getStyles = function( elem ) {
            return window.getComputedStyle( elem, null );
        };

        curCSS = function( elem, name, _computed ) {
            var width, minWidth, maxWidth,
                computed = _computed || getStyles( elem ),

            // getPropertyValue is only needed for .css('filter') in IE9, see #12537
                ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
                style = elem.style;

            if ( computed ) {

                if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
                    ret = jQuery.style( elem, name );
                }

                // A tribute to the "awesome hack by Dean Edwards"
                // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
                // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
                // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
                if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {

                    // Remember the original values
                    width = style.width;
                    minWidth = style.minWidth;
                    maxWidth = style.maxWidth;

                    // Put in the new values to get a computed value out
                    style.minWidth = style.maxWidth = style.width = ret;
                    ret = computed.width;

                    // Revert the changed values
                    style.width = width;
                    style.minWidth = minWidth;
                    style.maxWidth = maxWidth;
                }
            }

            return ret;
        };
    } else if ( document.documentElement.currentStyle ) {
        getStyles = function( elem ) {
            return elem.currentStyle;
        };

        curCSS = function( elem, name, _computed ) {
            var left, rs, rsLeft,
                computed = _computed || getStyles( elem ),
                ret = computed ? computed[ name ] : undefined,
                style = elem.style;

            // Avoid setting ret to empty string here
            // so we don't default to auto
            if ( ret == null && style && style[ name ] ) {
                ret = style[ name ];
            }

            // From the awesome hack by Dean Edwards
            // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

            // If we're not dealing with a regular pixel number
            // but a number that has a weird ending, we need to convert it to pixels
            // but not position css attributes, as those are proportional to the parent element instead
            // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
            if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {

                // Remember the original values
                left = style.left;
                rs = elem.runtimeStyle;
                rsLeft = rs && rs.left;

                // Put in the new values to get a computed value out
                if ( rsLeft ) {
                    rs.left = elem.currentStyle.left;
                }
                style.left = name === "fontSize" ? "1em" : ret;
                ret = style.pixelLeft + "px";

                // Revert the changed values
                style.left = left;
                if ( rsLeft ) {
                    rs.left = rsLeft;
                }
            }

            return ret === "" ? "auto" : ret;
        };
    }

    function setPositiveNumber( elem, value, subtract ) {
        var matches = rnumsplit.exec( value );
        return matches ?
            // Guard against undefined "subtract", e.g., when used as in cssHooks
            Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
            value;
    }

    function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
        var i = extra === ( isBorderBox ? "border" : "content" ) ?
                // If we already have the right measurement, avoid augmentation
                4 :
                // Otherwise initialize for horizontal or vertical properties
                name === "width" ? 1 : 0,

            val = 0;

        for ( ; i < 4; i += 2 ) {
            // both box models exclude margin, so add it if we want it
            if ( extra === "margin" ) {
                val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
            }

            if ( isBorderBox ) {
                // border-box includes padding, so remove it if we want content
                if ( extra === "content" ) {
                    val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
                }

                // at this point, extra isn't border nor margin, so remove border
                if ( extra !== "margin" ) {
                    val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
                }
            } else {
                // at this point, extra isn't content, so add padding
                val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

                // at this point, extra isn't content nor padding, so add border
                if ( extra !== "padding" ) {
                    val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
                }
            }
        }

        return val;
    }

    function getWidthOrHeight( elem, name, extra ) {

        // Start with offset property, which is equivalent to the border-box value
        var valueIsBorderBox = true,
            val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
            styles = getStyles( elem ),
            isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

        // some non-html elements return undefined for offsetWidth, so check for null/undefined
        // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
        // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
        if ( val <= 0 || val == null ) {
            // Fall back to computed then uncomputed css if necessary
            val = curCSS( elem, name, styles );
            if ( val < 0 || val == null ) {
                val = elem.style[ name ];
            }

            // Computed unit is not pixels. Stop here and return.
            if ( rnumnonpx.test(val) ) {
                return val;
            }

            // we need the check for style in case a browser which returns unreliable values
            // for getComputedStyle silently falls back to the reliable elem.style
            valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );

            // Normalize "", auto, and prepare for extra
            val = parseFloat( val ) || 0;
        }

        // use the active box-sizing model to add/subtract irrelevant styles
        return ( val +
            augmentWidthOrHeight(
                elem,
                name,
                extra || ( isBorderBox ? "border" : "content" ),
                valueIsBorderBox,
                styles
            )
            ) + "px";
    }

// Try to determine the default display value of an element
    function css_defaultDisplay( nodeName ) {
        var doc = document,
            display = elemdisplay[ nodeName ];

        if ( !display ) {
            display = actualDisplay( nodeName, doc );

            // If the simple way fails, read from inside an iframe
            if ( display === "none" || !display ) {
                // Use the already-created iframe if possible
                iframe = ( iframe ||
                    jQuery("<iframe frameborder='0' width='0' height='0'/>")
                        .css( "cssText", "display:block !important" )
                    ).appendTo( doc.documentElement );

                // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
                doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
                doc.write("<!doctype html><html><body>");
                doc.close();

                display = actualDisplay( nodeName, doc );
                iframe.detach();
            }

            // Store the correct default display
            elemdisplay[ nodeName ] = display;
        }

        return display;
    }

// Called ONLY from within css_defaultDisplay
    function actualDisplay( name, doc ) {
        var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
            display = jQuery.css( elem[0], "display" );
        elem.remove();
        return display;
    }

    jQuery.each([ "height", "width" ], function( i, name ) {
        jQuery.cssHooks[ name ] = {
            get: function( elem, computed, extra ) {
                if ( computed ) {
                    // certain elements can have dimension info if we invisibly show them
                    // however, it must have a current display style that would benefit from this
                    return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
                        jQuery.swap( elem, cssShow, function() {
                            return getWidthOrHeight( elem, name, extra );
                        }) :
                        getWidthOrHeight( elem, name, extra );
                }
            },

            set: function( elem, value, extra ) {
                var styles = extra && getStyles( elem );
                return setPositiveNumber( elem, value, extra ?
                    augmentWidthOrHeight(
                        elem,
                        name,
                        extra,
                        jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
                        styles
                    ) : 0
                );
            }
        };
    });

    if ( !jQuery.support.opacity ) {
        jQuery.cssHooks.opacity = {
            get: function( elem, computed ) {
                // IE uses filters for opacity
                return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
                    ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
                    computed ? "1" : "";
            },

            set: function( elem, value ) {
                var style = elem.style,
                    currentStyle = elem.currentStyle,
                    opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
                    filter = currentStyle && currentStyle.filter || style.filter || "";

                // IE has trouble with opacity if it does not have layout
                // Force it by setting the zoom level
                style.zoom = 1;

                // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
                // if value === "", then remove inline opacity #12685
                if ( ( value >= 1 || value === "" ) &&
                    jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
                    style.removeAttribute ) {

                    // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
                    // if "filter:" is present at all, clearType is disabled, we want to avoid this
                    // style.removeAttribute is IE Only, but so apparently is this code path...
                    style.removeAttribute( "filter" );

                    // if there is no filter style applied in a css rule or unset inline opacity, we are done
                    if ( value === "" || currentStyle && !currentStyle.filter ) {
                        return;
                    }
                }

                // otherwise, set new filter values
                style.filter = ralpha.test( filter ) ?
                    filter.replace( ralpha, opacity ) :
                    filter + " " + opacity;
            }
        };
    }

// These hooks cannot be added until DOM ready because the support test
// for it is not run until after DOM ready
    jQuery(function() {
        if ( !jQuery.support.reliableMarginRight ) {
            jQuery.cssHooks.marginRight = {
                get: function( elem, computed ) {
                    if ( computed ) {
                        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
                        // Work around by temporarily setting element display to inline-block
                        return jQuery.swap( elem, { "display": "inline-block" },
                            curCSS, [ elem, "marginRight" ] );
                    }
                }
            };
        }

        // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
        // getComputedStyle returns percent when specified for top/left/bottom/right
        // rather than make the css module depend on the offset module, we just check for it here
        if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
            jQuery.each( [ "top", "left" ], function( i, prop ) {
                jQuery.cssHooks[ prop ] = {
                    get: function( elem, computed ) {
                        if ( computed ) {
                            computed = curCSS( elem, prop );
                            // if curCSS returns percentage, fallback to offset
                            return rnumnonpx.test( computed ) ?
                                jQuery( elem ).position()[ prop ] + "px" :
                                computed;
                        }
                    }
                };
            });
        }

    });

    if ( jQuery.expr && jQuery.expr.filters ) {
        jQuery.expr.filters.hidden = function( elem ) {
            // Support: Opera <= 12.12
            // Opera reports offsetWidths and offsetHeights less than zero on some elements
            return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
                (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
        };

        jQuery.expr.filters.visible = function( elem ) {
            return !jQuery.expr.filters.hidden( elem );
        };
    }

// These hooks are used by animate to expand properties
    jQuery.each({
        margin: "",
        padding: "",
        border: "Width"
    }, function( prefix, suffix ) {
        jQuery.cssHooks[ prefix + suffix ] = {
            expand: function( value ) {
                var i = 0,
                    expanded = {},

                // assumes a single number if not a string
                    parts = typeof value === "string" ? value.split(" ") : [ value ];

                for ( ; i < 4; i++ ) {
                    expanded[ prefix + cssExpand[ i ] + suffix ] =
                        parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
                }

                return expanded;
            }
        };

        if ( !rmargin.test( prefix ) ) {
            jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
        }
    });
    var r20 = /%20/g,
        rbracket = /\[\]$/,
        rCRLF = /\r?\n/g,
        rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
        rsubmittable = /^(?:input|select|textarea|keygen)/i;

    jQuery.fn.extend({
        serialize: function() {
            return jQuery.param( this.serializeArray() );
        },
        serializeArray: function() {
            return this.map(function(){
                // Can add propHook for "elements" to filter or add form elements
                var elements = jQuery.prop( this, "elements" );
                return elements ? jQuery.makeArray( elements ) : this;
            })
                .filter(function(){
                    var type = this.type;
                    // Use .is(":disabled") so that fieldset[disabled] works
                    return this.name && !jQuery( this ).is( ":disabled" ) &&
                        rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
                        ( this.checked || !manipulation_rcheckableType.test( type ) );
                })
                .map(function( i, elem ){
                    var val = jQuery( this ).val();

                    return val == null ?
                        null :
                        jQuery.isArray( val ) ?
                            jQuery.map( val, function( val ){
                                return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                            }) :
                        { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                }).get();
        }
    });

//Serialize an array of form elements or a set of
//key/values into a query string
    jQuery.param = function( a, traditional ) {
        var prefix,
            s = [],
            add = function( key, value ) {
                // If value is a function, invoke it and return its value
                value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
                s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
            };

        // Set traditional to true for jQuery <= 1.3.2 behavior.
        if ( traditional === undefined ) {
            traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
        }

        // If an array was passed in, assume that it is an array of form elements.
        if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
            // Serialize the form elements
            jQuery.each( a, function() {
                add( this.name, this.value );
            });

        } else {
            // If traditional, encode the "old" way (the way 1.3.2 or older
            // did it), otherwise encode params recursively.
            for ( prefix in a ) {
                buildParams( prefix, a[ prefix ], traditional, add );
            }
        }

        // Return the resulting serialization
        return s.join( "&" ).replace( r20, "+" );
    };

    function buildParams( prefix, obj, traditional, add ) {
        var name;

        if ( jQuery.isArray( obj ) ) {
            // Serialize array item.
            jQuery.each( obj, function( i, v ) {
                if ( traditional || rbracket.test( prefix ) ) {
                    // Treat each array item as a scalar.
                    add( prefix, v );

                } else {
                    // Item is non-scalar (array or object), encode its numeric index.
                    buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
                }
            });

        } else if ( !traditional && jQuery.type( obj ) === "object" ) {
            // Serialize object item.
            for ( name in obj ) {
                buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
            }

        } else {
            // Serialize scalar item.
            add( prefix, obj );
        }
    }
    jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
        "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
        "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {

        // Handle event binding
        jQuery.fn[ name ] = function( data, fn ) {
            return arguments.length > 0 ?
                this.on( name, null, data, fn ) :
                this.trigger( name );
        };
    });

    jQuery.fn.hover = function( fnOver, fnOut ) {
        return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
    };
    var
    // Document location
        ajaxLocParts,
        ajaxLocation,
        ajax_nonce = jQuery.now(),

        ajax_rquery = /\?/,
        rhash = /#.*$/,
        rts = /([?&])_=[^&]*/,
        rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
    // #7653, #8125, #8152: local protocol detection
        rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
        rnoContent = /^(?:GET|HEAD)$/,
        rprotocol = /^\/\//,
        rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

    // Keep a copy of the old load method
        _load = jQuery.fn.load,

    /* Prefilters
     * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
     * 2) These are called:
     *    - BEFORE asking for a transport
     *    - AFTER param serialization (s.data is a string if s.processData is true)
     * 3) key is the dataType
     * 4) the catchall symbol "*" can be used
     * 5) execution will start with transport dataType and THEN continue down to "*" if needed
     */
        prefilters = {},

    /* Transports bindings
     * 1) key is the dataType
     * 2) the catchall symbol "*" can be used
     * 3) selection will start with transport dataType and THEN go to "*" if needed
     */
        transports = {},

    // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
        allTypes = "*/".concat("*");

// #8138, IE may throw an exception when accessing
// a field from window.location if document.domain has been set
    try {
        ajaxLocation = location.href;
    } catch( e ) {
        // Use the href attribute of an A element
        // since IE will modify it given document.location
        ajaxLocation = document.createElement( "a" );
        ajaxLocation.href = "";
        ajaxLocation = ajaxLocation.href;
    }

// Segment location into parts
    ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
    function addToPrefiltersOrTransports( structure ) {

        // dataTypeExpression is optional and defaults to "*"
        return function( dataTypeExpression, func ) {

            if ( typeof dataTypeExpression !== "string" ) {
                func = dataTypeExpression;
                dataTypeExpression = "*";
            }

            var dataType,
                i = 0,
                dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];

            if ( jQuery.isFunction( func ) ) {
                // For each dataType in the dataTypeExpression
                while ( (dataType = dataTypes[i++]) ) {
                    // Prepend if requested
                    if ( dataType[0] === "+" ) {
                        dataType = dataType.slice( 1 ) || "*";
                        (structure[ dataType ] = structure[ dataType ] || []).unshift( func );

                        // Otherwise append
                    } else {
                        (structure[ dataType ] = structure[ dataType ] || []).push( func );
                    }
                }
            }
        };
    }

// Base inspection function for prefilters and transports
    function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

        var inspected = {},
            seekingTransport = ( structure === transports );

        function inspect( dataType ) {
            var selected;
            inspected[ dataType ] = true;
            jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
                var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
                if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
                    options.dataTypes.unshift( dataTypeOrTransport );
                    inspect( dataTypeOrTransport );
                    return false;
                } else if ( seekingTransport ) {
                    return !( selected = dataTypeOrTransport );
                }
            });
            return selected;
        }

        return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
    }

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
    function ajaxExtend( target, src ) {
        var deep, key,
            flatOptions = jQuery.ajaxSettings.flatOptions || {};

        for ( key in src ) {
            if ( src[ key ] !== undefined ) {
                ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
            }
        }
        if ( deep ) {
            jQuery.extend( true, target, deep );
        }

        return target;
    }

    jQuery.fn.load = function( url, params, callback ) {
        if ( typeof url !== "string" && _load ) {
            return _load.apply( this, arguments );
        }

        var selector, response, type,
            self = this,
            off = url.indexOf(" ");

        if ( off >= 0 ) {
            selector = url.slice( off, url.length );
            url = url.slice( 0, off );
        }

        // If it's a function
        if ( jQuery.isFunction( params ) ) {

            // We assume that it's the callback
            callback = params;
            params = undefined;

            // Otherwise, build a param string
        } else if ( params && typeof params === "object" ) {
            type = "POST";
        }

        // If we have elements to modify, make the request
        if ( self.length > 0 ) {
            jQuery.ajax({
                url: url,

                // if "type" variable is undefined, then "GET" method will be used
                type: type,
                dataType: "html",
                data: params
            }).done(function( responseText ) {

                    // Save response for use in complete callback
                    response = arguments;

                    self.html( selector ?

                        // If a selector was specified, locate the right elements in a dummy div
                        // Exclude scripts to avoid IE 'Permission Denied' errors
                        jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :

                        // Otherwise use the full result
                        responseText );

                }).complete( callback && function( jqXHR, status ) {
                    self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
                });
        }

        return this;
    };

// Attach a bunch of functions for handling common AJAX events
    jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
        jQuery.fn[ type ] = function( fn ){
            return this.on( type, fn );
        };
    });

    jQuery.each( [ "get", "post" ], function( i, method ) {
        jQuery[ method ] = function( url, data, callback, type ) {
            // shift arguments if data argument was omitted
            if ( jQuery.isFunction( data ) ) {
                type = type || callback;
                callback = data;
                data = undefined;
            }

            return jQuery.ajax({
                url: url,
                type: method,
                dataType: type,
                data: data,
                success: callback
            });
        };
    });

    jQuery.extend({

        // Counter for holding the number of active queries
        active: 0,

        // Last-Modified header cache for next request
        lastModified: {},
        etag: {},

        ajaxSettings: {
            url: ajaxLocation,
            type: "GET",
            isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
            global: true,
            processData: true,
            async: true,
            contentType: "application/x-www-form-urlencoded; charset=UTF-8",
            /*
             timeout: 0,
             data: null,
             dataType: null,
             username: null,
             password: null,
             cache: null,
             throws: false,
             traditional: false,
             headers: {},
             */

            accepts: {
                "*": allTypes,
                text: "text/plain",
                html: "text/html",
                xml: "application/xml, text/xml",
                json: "application/json, text/javascript"
            },

            contents: {
                xml: /xml/,
                html: /html/,
                json: /json/
            },

            responseFields: {
                xml: "responseXML",
                text: "responseText"
            },

            // Data converters
            // Keys separate source (or catchall "*") and destination types with a single space
            converters: {

                // Convert anything to text
                "* text": window.String,

                // Text to html (true = no transformation)
                "text html": true,

                // Evaluate text as a json expression
                "text json": jQuery.parseJSON,

                // Parse text as xml
                "text xml": jQuery.parseXML
            },

            // For options that shouldn't be deep extended:
            // you can add your own custom options here if
            // and when you create one that shouldn't be
            // deep extended (see ajaxExtend)
            flatOptions: {
                url: true,
                context: true
            }
        },

        // Creates a full fledged settings object into target
        // with both ajaxSettings and settings fields.
        // If target is omitted, writes into ajaxSettings.
        ajaxSetup: function( target, settings ) {
            return settings ?

                // Building a settings object
                ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :

                // Extending ajaxSettings
                ajaxExtend( jQuery.ajaxSettings, target );
        },

        ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
        ajaxTransport: addToPrefiltersOrTransports( transports ),

        // Main method
        ajax: function( url, options ) {

            // If url is an object, simulate pre-1.5 signature
            if ( typeof url === "object" ) {
                options = url;
                url = undefined;
            }

            // Force options to be an object
            options = options || {};

            var // Cross-domain detection vars
                parts,
            // Loop variable
                i,
            // URL without anti-cache param
                cacheURL,
            // Response headers as string
                responseHeadersString,
            // timeout handle
                timeoutTimer,

            // To know if global events are to be dispatched
                fireGlobals,

                transport,
            // Response headers
                responseHeaders,
            // Create the final options object
                s = jQuery.ajaxSetup( {}, options ),
            // Callbacks context
                callbackContext = s.context || s,
            // Context for global events is callbackContext if it is a DOM node or jQuery collection
                globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
                    jQuery( callbackContext ) :
                    jQuery.event,
            // Deferreds
                deferred = jQuery.Deferred(),
                completeDeferred = jQuery.Callbacks("once memory"),
            // Status-dependent callbacks
                statusCode = s.statusCode || {},
            // Headers (they are sent all at once)
                requestHeaders = {},
                requestHeadersNames = {},
            // The jqXHR state
                state = 0,
            // Default abort message
                strAbort = "canceled",
            // Fake xhr
                jqXHR = {
                    readyState: 0,

                    // Builds headers hashtable if needed
                    getResponseHeader: function( key ) {
                        var match;
                        if ( state === 2 ) {
                            if ( !responseHeaders ) {
                                responseHeaders = {};
                                while ( (match = rheaders.exec( responseHeadersString )) ) {
                                    responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
                                }
                            }
                            match = responseHeaders[ key.toLowerCase() ];
                        }
                        return match == null ? null : match;
                    },

                    // Raw string
                    getAllResponseHeaders: function() {
                        return state === 2 ? responseHeadersString : null;
                    },

                    // Caches the header
                    setRequestHeader: function( name, value ) {
                        var lname = name.toLowerCase();
                        if ( !state ) {
                            name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
                            requestHeaders[ name ] = value;
                        }
                        return this;
                    },

                    // Overrides response content-type header
                    overrideMimeType: function( type ) {
                        if ( !state ) {
                            s.mimeType = type;
                        }
                        return this;
                    },

                    // Status-dependent callbacks
                    statusCode: function( map ) {
                        var code;
                        if ( map ) {
                            if ( state < 2 ) {
                                for ( code in map ) {
                                    // Lazy-add the new callback in a way that preserves old ones
                                    statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                                }
                            } else {
                                // Execute the appropriate callbacks
                                jqXHR.always( map[ jqXHR.status ] );
                            }
                        }
                        return this;
                    },

                    // Cancel the request
                    abort: function( statusText ) {
                        var finalText = statusText || strAbort;
                        if ( transport ) {
                            transport.abort( finalText );
                        }
                        done( 0, finalText );
                        return this;
                    }
                };

            // Attach deferreds
            deferred.promise( jqXHR ).complete = completeDeferred.add;
            jqXHR.success = jqXHR.done;
            jqXHR.error = jqXHR.fail;

            // Remove hash character (#7531: and string promotion)
            // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
            // Handle falsy url in the settings object (#10093: consistency with old signature)
            // We also use the url parameter if available
            s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );

            // Alias method option to type as per ticket #12004
            s.type = options.method || options.type || s.method || s.type;

            // Extract dataTypes list
            s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];

            // A cross-domain request is in order when we have a protocol:host:port mismatch
            if ( s.crossDomain == null ) {
                parts = rurl.exec( s.url.toLowerCase() );
                s.crossDomain = !!( parts &&
                    ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
                        ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
                            ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) )
                    );
            }

            // Convert data if not already a string
            if ( s.data && s.processData && typeof s.data !== "string" ) {
                s.data = jQuery.param( s.data, s.traditional );
            }

            // Apply prefilters
            inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

            // If request was aborted inside a prefilter, stop there
            if ( state === 2 ) {
                return jqXHR;
            }

            // We can fire global events as of now if asked to
            fireGlobals = s.global;

            // Watch for a new set of requests
            if ( fireGlobals && jQuery.active++ === 0 ) {
                jQuery.event.trigger("ajaxStart");
            }

            // Uppercase the type
            s.type = s.type.toUpperCase();

            // Determine if request has content
            s.hasContent = !rnoContent.test( s.type );

            // Save the URL in case we're toying with the If-Modified-Since
            // and/or If-None-Match header later on
            cacheURL = s.url;

            // More options handling for requests with no content
            if ( !s.hasContent ) {

                // If data is available, append data to url
                if ( s.data ) {
                    cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
                    // #9682: remove data so that it's not used in an eventual retry
                    delete s.data;
                }

                // Add anti-cache in url if needed
                if ( s.cache === false ) {
                    s.url = rts.test( cacheURL ) ?

                        // If there is already a '_' parameter, set its value
                        cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :

                        // Otherwise add one to the end
                        cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
                }
            }

            // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
            if ( s.ifModified ) {
                if ( jQuery.lastModified[ cacheURL ] ) {
                    jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
                }
                if ( jQuery.etag[ cacheURL ] ) {
                    jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
                }
            }

            // Set the correct header, if data is being sent
            if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
                jqXHR.setRequestHeader( "Content-Type", s.contentType );
            }

            // Set the Accepts header for the server, depending on the dataType
            jqXHR.setRequestHeader(
                "Accept",
                s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
                    s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
                    s.accepts[ "*" ]
            );

            // Check for headers option
            for ( i in s.headers ) {
                jqXHR.setRequestHeader( i, s.headers[ i ] );
            }

            // Allow custom headers/mimetypes and early abort
            if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
                // Abort if not done already and return
                return jqXHR.abort();
            }

            // aborting is no longer a cancellation
            strAbort = "abort";

            // Install callbacks on deferreds
            for ( i in { success: 1, error: 1, complete: 1 } ) {
                jqXHR[ i ]( s[ i ] );
            }

            // Get transport
            transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

            // If no transport, we auto-abort
            if ( !transport ) {
                done( -1, "No Transport" );
            } else {
                jqXHR.readyState = 1;

                // Send global event
                if ( fireGlobals ) {
                    globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
                }
                // Timeout
                if ( s.async && s.timeout > 0 ) {
                    timeoutTimer = setTimeout(function() {
                        jqXHR.abort("timeout");
                    }, s.timeout );
                }

                try {
                    state = 1;
                    transport.send( requestHeaders, done );
                } catch ( e ) {
                    // Propagate exception as error if not done
                    if ( state < 2 ) {
                        done( -1, e );
                        // Simply rethrow otherwise
                    } else {
                        throw e;
                    }
                }
            }

            // Callback for when everything is done
            function done( status, nativeStatusText, responses, headers ) {
                var isSuccess, success, error, response, modified,
                    statusText = nativeStatusText;

                // Called once
                if ( state === 2 ) {
                    return;
                }

                // State is "done" now
                state = 2;

                // Clear timeout if it exists
                if ( timeoutTimer ) {
                    clearTimeout( timeoutTimer );
                }

                // Dereference transport for early garbage collection
                // (no matter how long the jqXHR object will be used)
                transport = undefined;

                // Cache response headers
                responseHeadersString = headers || "";

                // Set readyState
                jqXHR.readyState = status > 0 ? 4 : 0;

                // Get response data
                if ( responses ) {
                    response = ajaxHandleResponses( s, jqXHR, responses );
                }

                // If successful, handle type chaining
                if ( status >= 200 && status < 300 || status === 304 ) {

                    // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
                    if ( s.ifModified ) {
                        modified = jqXHR.getResponseHeader("Last-Modified");
                        if ( modified ) {
                            jQuery.lastModified[ cacheURL ] = modified;
                        }
                        modified = jqXHR.getResponseHeader("etag");
                        if ( modified ) {
                            jQuery.etag[ cacheURL ] = modified;
                        }
                    }

                    // if no content
                    if ( status === 204 ) {
                        isSuccess = true;
                        statusText = "nocontent";

                        // if not modified
                    } else if ( status === 304 ) {
                        isSuccess = true;
                        statusText = "notmodified";

                        // If we have data, let's convert it
                    } else {
                        isSuccess = ajaxConvert( s, response );
                        statusText = isSuccess.state;
                        success = isSuccess.data;
                        error = isSuccess.error;
                        isSuccess = !error;
                    }
                } else {
                    // We extract error from statusText
                    // then normalize statusText and status for non-aborts
                    error = statusText;
                    if ( status || !statusText ) {
                        statusText = "error";
                        if ( status < 0 ) {
                            status = 0;
                        }
                    }
                }

                // Set data for the fake xhr object
                jqXHR.status = status;
                jqXHR.statusText = ( nativeStatusText || statusText ) + "";

                // Success/Error
                if ( isSuccess ) {
                    deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
                } else {
                    deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
                }

                // Status-dependent callbacks
                jqXHR.statusCode( statusCode );
                statusCode = undefined;

                if ( fireGlobals ) {
                    globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
                        [ jqXHR, s, isSuccess ? success : error ] );
                }

                // Complete
                completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

                if ( fireGlobals ) {
                    globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
                    // Handle the global AJAX counter
                    if ( !( --jQuery.active ) ) {
                        jQuery.event.trigger("ajaxStop");
                    }
                }
            }

            return jqXHR;
        },

        getScript: function( url, callback ) {
            return jQuery.get( url, undefined, callback, "script" );
        },

        getJSON: function( url, data, callback ) {
            return jQuery.get( url, data, callback, "json" );
        }
    });

    /* Handles responses to an ajax request:
     * - sets all responseXXX fields accordingly
     * - finds the right dataType (mediates between content-type and expected dataType)
     * - returns the corresponding response
     */
    function ajaxHandleResponses( s, jqXHR, responses ) {
        var firstDataType, ct, finalDataType, type,
            contents = s.contents,
            dataTypes = s.dataTypes,
            responseFields = s.responseFields;

        // Fill responseXXX fields
        for ( type in responseFields ) {
            if ( type in responses ) {
                jqXHR[ responseFields[type] ] = responses[ type ];
            }
        }

        // Remove auto dataType and get content-type in the process
        while( dataTypes[ 0 ] === "*" ) {
            dataTypes.shift();
            if ( ct === undefined ) {
                ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
            }
        }

        // Check if we're dealing with a known content-type
        if ( ct ) {
            for ( type in contents ) {
                if ( contents[ type ] && contents[ type ].test( ct ) ) {
                    dataTypes.unshift( type );
                    break;
                }
            }
        }

        // Check to see if we have a response for the expected dataType
        if ( dataTypes[ 0 ] in responses ) {
            finalDataType = dataTypes[ 0 ];
        } else {
            // Try convertible dataTypes
            for ( type in responses ) {
                if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
                    finalDataType = type;
                    break;
                }
                if ( !firstDataType ) {
                    firstDataType = type;
                }
            }
            // Or just use first one
            finalDataType = finalDataType || firstDataType;
        }

        // If we found a dataType
        // We add the dataType to the list if needed
        // and return the corresponding response
        if ( finalDataType ) {
            if ( finalDataType !== dataTypes[ 0 ] ) {
                dataTypes.unshift( finalDataType );
            }
            return responses[ finalDataType ];
        }
    }

// Chain conversions given the request and the original response
    function ajaxConvert( s, response ) {
        var conv2, current, conv, tmp,
            converters = {},
            i = 0,
        // Work with a copy of dataTypes in case we need to modify it for conversion
            dataTypes = s.dataTypes.slice(),
            prev = dataTypes[ 0 ];

        // Apply the dataFilter if provided
        if ( s.dataFilter ) {
            response = s.dataFilter( response, s.dataType );
        }

        // Create converters map with lowercased keys
        if ( dataTypes[ 1 ] ) {
            for ( conv in s.converters ) {
                converters[ conv.toLowerCase() ] = s.converters[ conv ];
            }
        }

        // Convert to each sequential dataType, tolerating list modification
        for ( ; (current = dataTypes[++i]); ) {

            // There's only work to do if current dataType is non-auto
            if ( current !== "*" ) {

                // Convert response if prev dataType is non-auto and differs from current
                if ( prev !== "*" && prev !== current ) {

                    // Seek a direct converter
                    conv = converters[ prev + " " + current ] || converters[ "* " + current ];

                    // If none found, seek a pair
                    if ( !conv ) {
                        for ( conv2 in converters ) {

                            // If conv2 outputs current
                            tmp = conv2.split(" ");
                            if ( tmp[ 1 ] === current ) {

                                // If prev can be converted to accepted input
                                conv = converters[ prev + " " + tmp[ 0 ] ] ||
                                    converters[ "* " + tmp[ 0 ] ];
                                if ( conv ) {
                                    // Condense equivalence converters
                                    if ( conv === true ) {
                                        conv = converters[ conv2 ];

                                        // Otherwise, insert the intermediate dataType
                                    } else if ( converters[ conv2 ] !== true ) {
                                        current = tmp[ 0 ];
                                        dataTypes.splice( i--, 0, current );
                                    }

                                    break;
                                }
                            }
                        }
                    }

                    // Apply converter (if not an equivalence)
                    if ( conv !== true ) {

                        // Unless errors are allowed to bubble, catch and return them
                        if ( conv && s["throws"] ) {
                            response = conv( response );
                        } else {
                            try {
                                response = conv( response );
                            } catch ( e ) {
                                return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
                            }
                        }
                    }
                }

                // Update prev for next iteration
                prev = current;
            }
        }

        return { state: "success", data: response };
    }
// Install script dataType
    jQuery.ajaxSetup({
        accepts: {
            script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
        },
        contents: {
            script: /(?:java|ecma)script/
        },
        converters: {
            "text script": function( text ) {
                jQuery.globalEval( text );
                return text;
            }
        }
    });

// Handle cache's special case and global
    jQuery.ajaxPrefilter( "script", function( s ) {
        if ( s.cache === undefined ) {
            s.cache = false;
        }
        if ( s.crossDomain ) {
            s.type = "GET";
            s.global = false;
        }
    });

// Bind script tag hack transport
    jQuery.ajaxTransport( "script", function(s) {

        // This transport only deals with cross domain requests
        if ( s.crossDomain ) {

            var script,
                head = document.head || jQuery("head")[0] || document.documentElement;

            return {

                send: function( _, callback ) {

                    script = document.createElement("script");

                    script.async = true;

                    if ( s.scriptCharset ) {
                        script.charset = s.scriptCharset;
                    }

                    script.src = s.url;

                    // Attach handlers for all browsers
                    script.onload = script.onreadystatechange = function( _, isAbort ) {

                        if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {

                            // Handle memory leak in IE
                            script.onload = script.onreadystatechange = null;

                            // Remove the script
                            if ( script.parentNode ) {
                                script.parentNode.removeChild( script );
                            }

                            // Dereference the script
                            script = null;

                            // Callback if not abort
                            if ( !isAbort ) {
                                callback( 200, "success" );
                            }
                        }
                    };

                    // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
                    // Use native DOM manipulation to avoid our domManip AJAX trickery
                    head.insertBefore( script, head.firstChild );
                },

                abort: function() {
                    if ( script ) {
                        script.onload( undefined, true );
                    }
                }
            };
        }
    });
    var oldCallbacks = [],
        rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings
    jQuery.ajaxSetup({
        jsonp: "callback",
        jsonpCallback: function() {
            var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
            this[ callback ] = true;
            return callback;
        }
    });

// Detect, normalize options and install callbacks for jsonp requests
    jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

        var callbackName, overwritten, responseContainer,
            jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
                "url" :
                typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
                );

        // Handle iff the expected data type is "jsonp" or we have a parameter to set
        if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

            // Get callback name, remembering preexisting value associated with it
            callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
                s.jsonpCallback() :
                s.jsonpCallback;

            // Insert callback into url or form data
            if ( jsonProp ) {
                s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
            } else if ( s.jsonp !== false ) {
                s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
            }

            // Use data converter to retrieve json after script execution
            s.converters["script json"] = function() {
                if ( !responseContainer ) {
                    jQuery.error( callbackName + " was not called" );
                }
                return responseContainer[ 0 ];
            };

            // force json dataType
            s.dataTypes[ 0 ] = "json";

            // Install callback
            overwritten = window[ callbackName ];
            window[ callbackName ] = function() {
                responseContainer = arguments;
            };

            // Clean-up function (fires after converters)
            jqXHR.always(function() {
                // Restore preexisting value
                window[ callbackName ] = overwritten;

                // Save back as free
                if ( s[ callbackName ] ) {
                    // make sure that re-using the options doesn't screw things around
                    s.jsonpCallback = originalSettings.jsonpCallback;

                    // save the callback name for future use
                    oldCallbacks.push( callbackName );
                }

                // Call if it was a function and we have a response
                if ( responseContainer && jQuery.isFunction( overwritten ) ) {
                    overwritten( responseContainer[ 0 ] );
                }

                responseContainer = overwritten = undefined;
            });

            // Delegate to script
            return "script";
        }
    });
    var xhrCallbacks, xhrSupported,
        xhrId = 0,
    // #5280: Internet Explorer will keep connections alive if we don't abort on unload
        xhrOnUnloadAbort = window.ActiveXObject && function() {
            // Abort all pending requests
            var key;
            for ( key in xhrCallbacks ) {
                xhrCallbacks[ key ]( undefined, true );
            }
        };

// Functions to create xhrs
    function createStandardXHR() {
        try {
            return new window.XMLHttpRequest();
        } catch( e ) {}
    }

    function createActiveXHR() {
        try {
            return new window.ActiveXObject("Microsoft.XMLHTTP");
        } catch( e ) {}
    }

// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
    jQuery.ajaxSettings.xhr = window.ActiveXObject ?
        /* Microsoft failed to properly
         * implement the XMLHttpRequest in IE7 (can't request local files),
         * so we use the ActiveXObject when it is available
         * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
         * we need a fallback.
         */
        function() {
            return !this.isLocal && createStandardXHR() || createActiveXHR();
        } :
        // For all other browsers, use the standard XMLHttpRequest object
        createStandardXHR;

// Determine support properties
    xhrSupported = jQuery.ajaxSettings.xhr();
    jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
    xhrSupported = jQuery.support.ajax = !!xhrSupported;

// Create transport if the browser can provide an xhr
    if ( xhrSupported ) {

        jQuery.ajaxTransport(function( s ) {
            // Cross domain only allowed if supported through XMLHttpRequest
            if ( !s.crossDomain || jQuery.support.cors ) {

                var callback;

                return {
                    send: function( headers, complete ) {

                        // Get a new xhr
                        var handle, i,
                            xhr = s.xhr();

                        // Open the socket
                        // Passing null username, generates a login popup on Opera (#2865)
                        if ( s.username ) {
                            xhr.open( s.type, s.url, s.async, s.username, s.password );
                        } else {
                            xhr.open( s.type, s.url, s.async );
                        }

                        // Apply custom fields if provided
                        if ( s.xhrFields ) {
                            for ( i in s.xhrFields ) {
                                xhr[ i ] = s.xhrFields[ i ];
                            }
                        }

                        // Override mime type if needed
                        if ( s.mimeType && xhr.overrideMimeType ) {
                            xhr.overrideMimeType( s.mimeType );
                        }

                        // X-Requested-With header
                        // For cross-domain requests, seeing as conditions for a preflight are
                        // akin to a jigsaw puzzle, we simply never set it to be sure.
                        // (it can always be set on a per-request basis or even using ajaxSetup)
                        // For same-domain requests, won't change header if already provided.
                        if ( !s.crossDomain && !headers["X-Requested-With"] ) {
                            headers["X-Requested-With"] = "XMLHttpRequest";
                        }

                        // Need an extra try/catch for cross domain requests in Firefox 3
                        try {
                            for ( i in headers ) {
                                xhr.setRequestHeader( i, headers[ i ] );
                            }
                        } catch( err ) {}

                        // Do send the request
                        // This may raise an exception which is actually
                        // handled in jQuery.ajax (so no try/catch here)
                        xhr.send( ( s.hasContent && s.data ) || null );

                        // Listener
                        callback = function( _, isAbort ) {
                            var status, responseHeaders, statusText, responses;

                            // Firefox throws exceptions when accessing properties
                            // of an xhr when a network error occurred
                            // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
                            try {

                                // Was never called and is aborted or complete
                                if ( callback && ( isAbort || xhr.readyState === 4 ) ) {

                                    // Only called once
                                    callback = undefined;

                                    // Do not keep as active anymore
                                    if ( handle ) {
                                        xhr.onreadystatechange = jQuery.noop;
                                        if ( xhrOnUnloadAbort ) {
                                            delete xhrCallbacks[ handle ];
                                        }
                                    }

                                    // If it's an abort
                                    if ( isAbort ) {
                                        // Abort it manually if needed
                                        if ( xhr.readyState !== 4 ) {
                                            xhr.abort();
                                        }
                                    } else {
                                        responses = {};
                                        status = xhr.status;
                                        responseHeaders = xhr.getAllResponseHeaders();

                                        // When requesting binary data, IE6-9 will throw an exception
                                        // on any attempt to access responseText (#11426)
                                        if ( typeof xhr.responseText === "string" ) {
                                            responses.text = xhr.responseText;
                                        }

                                        // Firefox throws an exception when accessing
                                        // statusText for faulty cross-domain requests
                                        try {
                                            statusText = xhr.statusText;
                                        } catch( e ) {
                                            // We normalize with Webkit giving an empty statusText
                                            statusText = "";
                                        }

                                        // Filter status for non standard behaviors

                                        // If the request is local and we have data: assume a success
                                        // (success with no data won't get notified, that's the best we
                                        // can do given current implementations)
                                        if ( !status && s.isLocal && !s.crossDomain ) {
                                            status = responses.text ? 200 : 404;
                                            // IE - #1450: sometimes returns 1223 when it should be 204
                                        } else if ( status === 1223 ) {
                                            status = 204;
                                        }
                                    }
                                }
                            } catch( firefoxAccessException ) {
                                if ( !isAbort ) {
                                    complete( -1, firefoxAccessException );
                                }
                            }

                            // Call complete if needed
                            if ( responses ) {
                                complete( status, statusText, responses, responseHeaders );
                            }
                        };

                        if ( !s.async ) {
                            // if we're in sync mode we fire the callback
                            callback();
                        } else if ( xhr.readyState === 4 ) {
                            // (IE6 & IE7) if it's in cache and has been
                            // retrieved directly we need to fire the callback
                            setTimeout( callback );
                        } else {
                            handle = ++xhrId;
                            if ( xhrOnUnloadAbort ) {
                                // Create the active xhrs callbacks list if needed
                                // and attach the unload handler
                                if ( !xhrCallbacks ) {
                                    xhrCallbacks = {};
                                    jQuery( window ).unload( xhrOnUnloadAbort );
                                }
                                // Add to list of active xhrs callbacks
                                xhrCallbacks[ handle ] = callback;
                            }
                            xhr.onreadystatechange = callback;
                        }
                    },

                    abort: function() {
                        if ( callback ) {
                            callback( undefined, true );
                        }
                    }
                };
            }
        });
    }
    var fxNow, timerId,
        rfxtypes = /^(?:toggle|show|hide)$/,
        rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
        rrun = /queueHooks$/,
        animationPrefilters = [ defaultPrefilter ],
        tweeners = {
            "*": [function( prop, value ) {
                var end, unit,
                    tween = this.createTween( prop, value ),
                    parts = rfxnum.exec( value ),
                    target = tween.cur(),
                    start = +target || 0,
                    scale = 1,
                    maxIterations = 20;

                if ( parts ) {
                    end = +parts[2];
                    unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );

                    // We need to compute starting value
                    if ( unit !== "px" && start ) {
                        // Iteratively approximate from a nonzero starting point
                        // Prefer the current property, because this process will be trivial if it uses the same units
                        // Fallback to end or a simple constant
                        start = jQuery.css( tween.elem, prop, true ) || end || 1;

                        do {
                            // If previous iteration zeroed out, double until we get *something*
                            // Use a string for doubling factor so we don't accidentally see scale as unchanged below
                            scale = scale || ".5";

                            // Adjust and apply
                            start = start / scale;
                            jQuery.style( tween.elem, prop, start + unit );

                            // Update scale, tolerating zero or NaN from tween.cur()
                            // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
                        } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
                    }

                    tween.unit = unit;
                    tween.start = start;
                    // If a +=/-= token was provided, we're doing a relative animation
                    tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
                }
                return tween;
            }]
        };

// Animations created synchronously will run synchronously
    function createFxNow() {
        setTimeout(function() {
            fxNow = undefined;
        });
        return ( fxNow = jQuery.now() );
    }

    function createTweens( animation, props ) {
        jQuery.each( props, function( prop, value ) {
            var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
                index = 0,
                length = collection.length;
            for ( ; index < length; index++ ) {
                if ( collection[ index ].call( animation, prop, value ) ) {

                    // we're done with this property
                    return;
                }
            }
        });
    }

    function Animation( elem, properties, options ) {
        var result,
            stopped,
            index = 0,
            length = animationPrefilters.length,
            deferred = jQuery.Deferred().always( function() {
                // don't match elem in the :animated selector
                delete tick.elem;
            }),
            tick = function() {
                if ( stopped ) {
                    return false;
                }
                var currentTime = fxNow || createFxNow(),
                    remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
                // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
                    temp = remaining / animation.duration || 0,
                    percent = 1 - temp,
                    index = 0,
                    length = animation.tweens.length;

                for ( ; index < length ; index++ ) {
                    animation.tweens[ index ].run( percent );
                }

                deferred.notifyWith( elem, [ animation, percent, remaining ]);

                if ( percent < 1 && length ) {
                    return remaining;
                } else {
                    deferred.resolveWith( elem, [ animation ] );
                    return false;
                }
            },
            animation = deferred.promise({
                elem: elem,
                props: jQuery.extend( {}, properties ),
                opts: jQuery.extend( true, { specialEasing: {} }, options ),
                originalProperties: properties,
                originalOptions: options,
                startTime: fxNow || createFxNow(),
                duration: options.duration,
                tweens: [],
                createTween: function( prop, end ) {
                    var tween = jQuery.Tween( elem, animation.opts, prop, end,
                        animation.opts.specialEasing[ prop ] || animation.opts.easing );
                    animation.tweens.push( tween );
                    return tween;
                },
                stop: function( gotoEnd ) {
                    var index = 0,
                    // if we are going to the end, we want to run all the tweens
                    // otherwise we skip this part
                        length = gotoEnd ? animation.tweens.length : 0;
                    if ( stopped ) {
                        return this;
                    }
                    stopped = true;
                    for ( ; index < length ; index++ ) {
                        animation.tweens[ index ].run( 1 );
                    }

                    // resolve when we played the last frame
                    // otherwise, reject
                    if ( gotoEnd ) {
                        deferred.resolveWith( elem, [ animation, gotoEnd ] );
                    } else {
                        deferred.rejectWith( elem, [ animation, gotoEnd ] );
                    }
                    return this;
                }
            }),
            props = animation.props;

        propFilter( props, animation.opts.specialEasing );

        for ( ; index < length ; index++ ) {
            result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
            if ( result ) {
                return result;
            }
        }

        createTweens( animation, props );

        if ( jQuery.isFunction( animation.opts.start ) ) {
            animation.opts.start.call( elem, animation );
        }

        jQuery.fx.timer(
            jQuery.extend( tick, {
                elem: elem,
                anim: animation,
                queue: animation.opts.queue
            })
        );

        // attach callbacks from options
        return animation.progress( animation.opts.progress )
            .done( animation.opts.done, animation.opts.complete )
            .fail( animation.opts.fail )
            .always( animation.opts.always );
    }

    function propFilter( props, specialEasing ) {
        var value, name, index, easing, hooks;

        // camelCase, specialEasing and expand cssHook pass
        for ( index in props ) {
            name = jQuery.camelCase( index );
            easing = specialEasing[ name ];
            value = props[ index ];
            if ( jQuery.isArray( value ) ) {
                easing = value[ 1 ];
                value = props[ index ] = value[ 0 ];
            }

            if ( index !== name ) {
                props[ name ] = value;
                delete props[ index ];
            }

            hooks = jQuery.cssHooks[ name ];
            if ( hooks && "expand" in hooks ) {
                value = hooks.expand( value );
                delete props[ name ];

                // not quite $.extend, this wont overwrite keys already present.
                // also - reusing 'index' from above because we have the correct "name"
                for ( index in value ) {
                    if ( !( index in props ) ) {
                        props[ index ] = value[ index ];
                        specialEasing[ index ] = easing;
                    }
                }
            } else {
                specialEasing[ name ] = easing;
            }
        }
    }

    jQuery.Animation = jQuery.extend( Animation, {

        tweener: function( props, callback ) {
            if ( jQuery.isFunction( props ) ) {
                callback = props;
                props = [ "*" ];
            } else {
                props = props.split(" ");
            }

            var prop,
                index = 0,
                length = props.length;

            for ( ; index < length ; index++ ) {
                prop = props[ index ];
                tweeners[ prop ] = tweeners[ prop ] || [];
                tweeners[ prop ].unshift( callback );
            }
        },

        prefilter: function( callback, prepend ) {
            if ( prepend ) {
                animationPrefilters.unshift( callback );
            } else {
                animationPrefilters.push( callback );
            }
        }
    });

    function defaultPrefilter( elem, props, opts ) {
        /*jshint validthis:true */
        var prop, index, length,
            value, dataShow, toggle,
            tween, hooks, oldfire,
            anim = this,
            style = elem.style,
            orig = {},
            handled = [],
            hidden = elem.nodeType && isHidden( elem );

        // handle queue: false promises
        if ( !opts.queue ) {
            hooks = jQuery._queueHooks( elem, "fx" );
            if ( hooks.unqueued == null ) {
                hooks.unqueued = 0;
                oldfire = hooks.empty.fire;
                hooks.empty.fire = function() {
                    if ( !hooks.unqueued ) {
                        oldfire();
                    }
                };
            }
            hooks.unqueued++;

            anim.always(function() {
                // doing this makes sure that the complete handler will be called
                // before this completes
                anim.always(function() {
                    hooks.unqueued--;
                    if ( !jQuery.queue( elem, "fx" ).length ) {
                        hooks.empty.fire();
                    }
                });
            });
        }

        // height/width overflow pass
        if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
            // Make sure that nothing sneaks out
            // Record all 3 overflow attributes because IE does not
            // change the overflow attribute when overflowX and
            // overflowY are set to the same value
            opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

            // Set display property to inline-block for height/width
            // animations on inline elements that are having width/height animated
            if ( jQuery.css( elem, "display" ) === "inline" &&
                jQuery.css( elem, "float" ) === "none" ) {

                // inline-level elements accept inline-block;
                // block-level elements need to be inline with layout
                if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
                    style.display = "inline-block";

                } else {
                    style.zoom = 1;
                }
            }
        }

        if ( opts.overflow ) {
            style.overflow = "hidden";
            if ( !jQuery.support.shrinkWrapBlocks ) {
                anim.always(function() {
                    style.overflow = opts.overflow[ 0 ];
                    style.overflowX = opts.overflow[ 1 ];
                    style.overflowY = opts.overflow[ 2 ];
                });
            }
        }


        // show/hide pass
        for ( index in props ) {
            value = props[ index ];
            if ( rfxtypes.exec( value ) ) {
                delete props[ index ];
                toggle = toggle || value === "toggle";
                if ( value === ( hidden ? "hide" : "show" ) ) {
                    continue;
                }
                handled.push( index );
            }
        }

        length = handled.length;
        if ( length ) {
            dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
            if ( "hidden" in dataShow ) {
                hidden = dataShow.hidden;
            }

            // store state if its toggle - enables .stop().toggle() to "reverse"
            if ( toggle ) {
                dataShow.hidden = !hidden;
            }
            if ( hidden ) {
                jQuery( elem ).show();
            } else {
                anim.done(function() {
                    jQuery( elem ).hide();
                });
            }
            anim.done(function() {
                var prop;
                jQuery._removeData( elem, "fxshow" );
                for ( prop in orig ) {
                    jQuery.style( elem, prop, orig[ prop ] );
                }
            });
            for ( index = 0 ; index < length ; index++ ) {
                prop = handled[ index ];
                tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
                orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );

                if ( !( prop in dataShow ) ) {
                    dataShow[ prop ] = tween.start;
                    if ( hidden ) {
                        tween.end = tween.start;
                        tween.start = prop === "width" || prop === "height" ? 1 : 0;
                    }
                }
            }
        }
    }

    function Tween( elem, options, prop, end, easing ) {
        return new Tween.prototype.init( elem, options, prop, end, easing );
    }
    jQuery.Tween = Tween;

    Tween.prototype = {
        constructor: Tween,
        init: function( elem, options, prop, end, easing, unit ) {
            this.elem = elem;
            this.prop = prop;
            this.easing = easing || "swing";
            this.options = options;
            this.start = this.now = this.cur();
            this.end = end;
            this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
        },
        cur: function() {
            var hooks = Tween.propHooks[ this.prop ];

            return hooks && hooks.get ?
                hooks.get( this ) :
                Tween.propHooks._default.get( this );
        },
        run: function( percent ) {
            var eased,
                hooks = Tween.propHooks[ this.prop ];

            if ( this.options.duration ) {
                this.pos = eased = jQuery.easing[ this.easing ](
                    percent, this.options.duration * percent, 0, 1, this.options.duration
                );
            } else {
                this.pos = eased = percent;
            }
            this.now = ( this.end - this.start ) * eased + this.start;

            if ( this.options.step ) {
                this.options.step.call( this.elem, this.now, this );
            }

            if ( hooks && hooks.set ) {
                hooks.set( this );
            } else {
                Tween.propHooks._default.set( this );
            }
            return this;
        }
    };

    Tween.prototype.init.prototype = Tween.prototype;

    Tween.propHooks = {
        _default: {
            get: function( tween ) {
                var result;

                if ( tween.elem[ tween.prop ] != null &&
                    (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
                    return tween.elem[ tween.prop ];
                }

                // passing an empty string as a 3rd parameter to .css will automatically
                // attempt a parseFloat and fallback to a string if the parse fails
                // so, simple values such as "10px" are parsed to Float.
                // complex values such as "rotate(1rad)" are returned as is.
                result = jQuery.css( tween.elem, tween.prop, "" );
                // Empty strings, null, undefined and "auto" are converted to 0.
                return !result || result === "auto" ? 0 : result;
            },
            set: function( tween ) {
                // use step hook for back compat - use cssHook if its there - use .style if its
                // available and use plain properties where available
                if ( jQuery.fx.step[ tween.prop ] ) {
                    jQuery.fx.step[ tween.prop ]( tween );
                } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
                    jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
                } else {
                    tween.elem[ tween.prop ] = tween.now;
                }
            }
        }
    };

// Remove in 2.0 - this supports IE8's panic based approach
// to setting things on disconnected nodes

    Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
        set: function( tween ) {
            if ( tween.elem.nodeType && tween.elem.parentNode ) {
                tween.elem[ tween.prop ] = tween.now;
            }
        }
    };

    jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
        var cssFn = jQuery.fn[ name ];
        jQuery.fn[ name ] = function( speed, easing, callback ) {
            return speed == null || typeof speed === "boolean" ?
                cssFn.apply( this, arguments ) :
                this.animate( genFx( name, true ), speed, easing, callback );
        };
    });

    jQuery.fn.extend({
        fadeTo: function( speed, to, easing, callback ) {

            // show any hidden elements after setting opacity to 0
            return this.filter( isHidden ).css( "opacity", 0 ).show()

                // animate to the value specified
                .end().animate({ opacity: to }, speed, easing, callback );
        },
        animate: function( prop, speed, easing, callback ) {
            var empty = jQuery.isEmptyObject( prop ),
                optall = jQuery.speed( speed, easing, callback ),
                doAnimation = function() {
                    // Operate on a copy of prop so per-property easing won't be lost
                    var anim = Animation( this, jQuery.extend( {}, prop ), optall );
                    doAnimation.finish = function() {
                        anim.stop( true );
                    };
                    // Empty animations, or finishing resolves immediately
                    if ( empty || jQuery._data( this, "finish" ) ) {
                        anim.stop( true );
                    }
                };
            doAnimation.finish = doAnimation;

            return empty || optall.queue === false ?
                this.each( doAnimation ) :
                this.queue( optall.queue, doAnimation );
        },
        stop: function( type, clearQueue, gotoEnd ) {
            var stopQueue = function( hooks ) {
                var stop = hooks.stop;
                delete hooks.stop;
                stop( gotoEnd );
            };

            if ( typeof type !== "string" ) {
                gotoEnd = clearQueue;
                clearQueue = type;
                type = undefined;
            }
            if ( clearQueue && type !== false ) {
                this.queue( type || "fx", [] );
            }

            return this.each(function() {
                var dequeue = true,
                    index = type != null && type + "queueHooks",
                    timers = jQuery.timers,
                    data = jQuery._data( this );

                if ( index ) {
                    if ( data[ index ] && data[ index ].stop ) {
                        stopQueue( data[ index ] );
                    }
                } else {
                    for ( index in data ) {
                        if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
                            stopQueue( data[ index ] );
                        }
                    }
                }

                for ( index = timers.length; index--; ) {
                    if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
                        timers[ index ].anim.stop( gotoEnd );
                        dequeue = false;
                        timers.splice( index, 1 );
                    }
                }

                // start the next in the queue if the last step wasn't forced
                // timers currently will call their complete callbacks, which will dequeue
                // but only if they were gotoEnd
                if ( dequeue || !gotoEnd ) {
                    jQuery.dequeue( this, type );
                }
            });
        },
        finish: function( type ) {
            if ( type !== false ) {
                type = type || "fx";
            }
            return this.each(function() {
                var index,
                    data = jQuery._data( this ),
                    queue = data[ type + "queue" ],
                    hooks = data[ type + "queueHooks" ],
                    timers = jQuery.timers,
                    length = queue ? queue.length : 0;

                // enable finishing flag on private data
                data.finish = true;

                // empty the queue first
                jQuery.queue( this, type, [] );

                if ( hooks && hooks.cur && hooks.cur.finish ) {
                    hooks.cur.finish.call( this );
                }

                // look for any active animations, and finish them
                for ( index = timers.length; index--; ) {
                    if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
                        timers[ index ].anim.stop( true );
                        timers.splice( index, 1 );
                    }
                }

                // look for any animations in the old queue and finish them
                for ( index = 0; index < length; index++ ) {
                    if ( queue[ index ] && queue[ index ].finish ) {
                        queue[ index ].finish.call( this );
                    }
                }

                // turn off finishing flag
                delete data.finish;
            });
        }
    });

// Generate parameters to create a standard animation
    function genFx( type, includeWidth ) {
        var which,
            attrs = { height: type },
            i = 0;

        // if we include width, step value is 1 to do all cssExpand values,
        // if we don't include width, step value is 2 to skip over Left and Right
        includeWidth = includeWidth? 1 : 0;
        for( ; i < 4 ; i += 2 - includeWidth ) {
            which = cssExpand[ i ];
            attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
        }

        if ( includeWidth ) {
            attrs.opacity = attrs.width = type;
        }

        return attrs;
    }

// Generate shortcuts for custom animations
    jQuery.each({
        slideDown: genFx("show"),
        slideUp: genFx("hide"),
        slideToggle: genFx("toggle"),
        fadeIn: { opacity: "show" },
        fadeOut: { opacity: "hide" },
        fadeToggle: { opacity: "toggle" }
    }, function( name, props ) {
        jQuery.fn[ name ] = function( speed, easing, callback ) {
            return this.animate( props, speed, easing, callback );
        };
    });

    jQuery.speed = function( speed, easing, fn ) {
        var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
            complete: fn || !fn && easing ||
                jQuery.isFunction( speed ) && speed,
            duration: speed,
            easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
        };

        opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
            opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

        // normalize opt.queue - true/undefined/null -> "fx"
        if ( opt.queue == null || opt.queue === true ) {
            opt.queue = "fx";
        }

        // Queueing
        opt.old = opt.complete;

        opt.complete = function() {
            if ( jQuery.isFunction( opt.old ) ) {
                opt.old.call( this );
            }

            if ( opt.queue ) {
                jQuery.dequeue( this, opt.queue );
            }
        };

        return opt;
    };

    jQuery.easing = {
        linear: function( p ) {
            return p;
        },
        swing: function( p ) {
            return 0.5 - Math.cos( p*Math.PI ) / 2;
        }
    };

    jQuery.timers = [];
    jQuery.fx = Tween.prototype.init;
    jQuery.fx.tick = function() {
        var timer,
            timers = jQuery.timers,
            i = 0;

        fxNow = jQuery.now();

        for ( ; i < timers.length; i++ ) {
            timer = timers[ i ];
            // Checks the timer has not already been removed
            if ( !timer() && timers[ i ] === timer ) {
                timers.splice( i--, 1 );
            }
        }

        if ( !timers.length ) {
            jQuery.fx.stop();
        }
        fxNow = undefined;
    };

    jQuery.fx.timer = function( timer ) {
        if ( timer() && jQuery.timers.push( timer ) ) {
            jQuery.fx.start();
        }
    };

    jQuery.fx.interval = 13;

    jQuery.fx.start = function() {
        if ( !timerId ) {
            timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
        }
    };

    jQuery.fx.stop = function() {
        clearInterval( timerId );
        timerId = null;
    };

    jQuery.fx.speeds = {
        slow: 600,
        fast: 200,
        // Default speed
        _default: 400
    };

// Back Compat <1.8 extension point
    jQuery.fx.step = {};

    if ( jQuery.expr && jQuery.expr.filters ) {
        jQuery.expr.filters.animated = function( elem ) {
            return jQuery.grep(jQuery.timers, function( fn ) {
                return elem === fn.elem;
            }).length;
        };
    }
    jQuery.fn.offset = function( options ) {
        if ( arguments.length ) {
            return options === undefined ?
                this :
                this.each(function( i ) {
                    jQuery.offset.setOffset( this, options, i );
                });
        }

        var docElem, win,
            box = { top: 0, left: 0 },
            elem = this[ 0 ],
            doc = elem && elem.ownerDocument;

        if ( !doc ) {
            return;
        }

        docElem = doc.documentElement;

        // Make sure it's not a disconnected DOM node
        if ( !jQuery.contains( docElem, elem ) ) {
            return box;
        }

        // If we don't have gBCR, just use 0,0 rather than error
        // BlackBerry 5, iOS 3 (original iPhone)
        if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
            box = elem.getBoundingClientRect();
        }
        win = getWindow( doc );
        return {
            top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
            left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
        };
    };

    jQuery.offset = {

        setOffset: function( elem, options, i ) {
            var position = jQuery.css( elem, "position" );

            // set position first, in-case top/left are set even on static elem
            if ( position === "static" ) {
                elem.style.position = "relative";
            }

            var curElem = jQuery( elem ),
                curOffset = curElem.offset(),
                curCSSTop = jQuery.css( elem, "top" ),
                curCSSLeft = jQuery.css( elem, "left" ),
                calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
                props = {}, curPosition = {}, curTop, curLeft;

            // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
            if ( calculatePosition ) {
                curPosition = curElem.position();
                curTop = curPosition.top;
                curLeft = curPosition.left;
            } else {
                curTop = parseFloat( curCSSTop ) || 0;
                curLeft = parseFloat( curCSSLeft ) || 0;
            }

            if ( jQuery.isFunction( options ) ) {
                options = options.call( elem, i, curOffset );
            }

            if ( options.top != null ) {
                props.top = ( options.top - curOffset.top ) + curTop;
            }
            if ( options.left != null ) {
                props.left = ( options.left - curOffset.left ) + curLeft;
            }

            if ( "using" in options ) {
                options.using.call( elem, props );
            } else {
                curElem.css( props );
            }
        }
    };


    jQuery.fn.extend({

        position: function() {
            if ( !this[ 0 ] ) {
                return;
            }

            var offsetParent, offset,
                parentOffset = { top: 0, left: 0 },
                elem = this[ 0 ];

            // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
            if ( jQuery.css( elem, "position" ) === "fixed" ) {
                // we assume that getBoundingClientRect is available when computed position is fixed
                offset = elem.getBoundingClientRect();
            } else {
                // Get *real* offsetParent
                offsetParent = this.offsetParent();

                // Get correct offsets
                offset = this.offset();
                if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
                    parentOffset = offsetParent.offset();
                }

                // Add offsetParent borders
                parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
                parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
            }

            // Subtract parent offsets and element margins
            // note: when an element has margin: auto the offsetLeft and marginLeft
            // are the same in Safari causing offset.left to incorrectly be 0
            return {
                top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
                left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
            };
        },

        offsetParent: function() {
            return this.map(function() {
                var offsetParent = this.offsetParent || document.documentElement;
                while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
                    offsetParent = offsetParent.offsetParent;
                }
                return offsetParent || document.documentElement;
            });
        }
    });


// Create scrollLeft and scrollTop methods
    jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
        var top = /Y/.test( prop );

        jQuery.fn[ method ] = function( val ) {
            return jQuery.access( this, function( elem, method, val ) {
                var win = getWindow( elem );

                if ( val === undefined ) {
                    return win ? (prop in win) ? win[ prop ] :
                        win.document.documentElement[ method ] :
                        elem[ method ];
                }

                if ( win ) {
                    win.scrollTo(
                        !top ? val : jQuery( win ).scrollLeft(),
                        top ? val : jQuery( win ).scrollTop()
                    );

                } else {
                    elem[ method ] = val;
                }
            }, method, val, arguments.length, null );
        };
    });

    function getWindow( elem ) {
        return jQuery.isWindow( elem ) ?
            elem :
            elem.nodeType === 9 ?
                elem.defaultView || elem.parentWindow :
                false;
    }
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
    jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
        jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
            // margin is only for outerHeight, outerWidth
            jQuery.fn[ funcName ] = function( margin, value ) {
                var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
                    extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

                return jQuery.access( this, function( elem, type, value ) {
                    var doc;

                    if ( jQuery.isWindow( elem ) ) {
                        // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
                        // isn't a whole lot we can do. See pull request at this URL for discussion:
                        // https://github.com/jquery/jquery/pull/764
                        return elem.document.documentElement[ "client" + name ];
                    }

                    // Get document width or height
                    if ( elem.nodeType === 9 ) {
                        doc = elem.documentElement;

                        // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
                        // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
                        return Math.max(
                            elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                            elem.body[ "offset" + name ], doc[ "offset" + name ],
                            doc[ "client" + name ]
                        );
                    }

                    return value === undefined ?
                        // Get width or height on the element, requesting but not forcing parseFloat
                        jQuery.css( elem, type, extra ) :

                        // Set width or height on the element
                        jQuery.style( elem, type, value, extra );
                }, type, chainable ? margin : undefined, chainable, null );
            };
        });
    });
// Limit scope pollution from any deprecated API
// (function() {

// })();
// Expose jQuery to the global object
    window.jQuery = window.$ = jQuery;

// Expose jQuery as an AMD module, but only for AMD loaders that
// understand the issues with loading multiple versions of jQuery
// in a page that all might call define(). The loader will indicate
// they have special allowances for multiple jQuery versions by
// specifying define.amd.jQuery = true. Register as a named module,
// since jQuery can be concatenated with other files that may use define,
// but not use a proper concatenation script that understands anonymous
// AMD modules. A named AMD is safest and most robust way to register.
// Lowercase jquery is used because AMD module names are derived from
// file names, and jQuery is normally delivered in a lowercase file name.
// Do this after creating the global so that if an AMD module wants to call
// noConflict to hide this version of jQuery, it will work.
    if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
        define( "jquery", [], function () { return jQuery; } );
    }

})( window );